| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1 | /******************************************************************* |
| 2 | * This file is part of the Emulex Linux Device Driver for * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 3 | * Fibre Channel Host Bus Adapters. * |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 4 | * Copyright (C) 2004-2006 Emulex. All rights reserved. * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 5 | * EMULEX and SLI are trademarks of Emulex. * |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 6 | * www.emulex.com * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 8 | * * |
| 9 | * This program is free software; you can redistribute it and/or * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 10 | * modify it under the terms of version 2 of the GNU General * |
| 11 | * Public License as published by the Free Software Foundation. * |
| 12 | * This program is distributed in the hope that it will be useful. * |
| 13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * |
| 14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * |
| 15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * |
| 16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * |
| 17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * |
| 18 | * more details, a copy of which can be found in the file COPYING * |
| 19 | * included with this package. * |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 20 | *******************************************************************/ |
| 21 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 22 | #include <linux/blkdev.h> |
| 23 | #include <linux/pci.h> |
| 24 | #include <linux/interrupt.h> |
| 25 | #include <linux/delay.h> |
| 26 | |
James.Smart@Emulex.Com | 9188652 | 2005-08-10 15:03:09 -0400 | [diff] [blame] | 27 | #include <scsi/scsi.h> |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 28 | #include <scsi/scsi_cmnd.h> |
| 29 | #include <scsi/scsi_device.h> |
| 30 | #include <scsi/scsi_host.h> |
James.Smart@Emulex.Com | f888ba3 | 2005-08-10 15:03:01 -0400 | [diff] [blame] | 31 | #include <scsi/scsi_transport_fc.h> |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 32 | |
| 33 | #include "lpfc_hw.h" |
| 34 | #include "lpfc_sli.h" |
| 35 | #include "lpfc_disc.h" |
| 36 | #include "lpfc_scsi.h" |
| 37 | #include "lpfc.h" |
| 38 | #include "lpfc_crtn.h" |
| 39 | #include "lpfc_logmsg.h" |
| 40 | #include "lpfc_compat.h" |
| 41 | |
| 42 | /* |
| 43 | * Define macro to log: Mailbox command x%x cannot issue Data |
| 44 | * This allows multiple uses of lpfc_msgBlk0311 |
| 45 | * w/o perturbing log msg utility. |
| 46 | */ |
| 47 | #define LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) \ |
| 48 | lpfc_printf_log(phba, \ |
| 49 | KERN_INFO, \ |
| 50 | LOG_MBOX | LOG_SLI, \ |
| 51 | "%d:0311 Mailbox command x%x cannot issue " \ |
| 52 | "Data: x%x x%x x%x\n", \ |
| 53 | phba->brd_no, \ |
| 54 | mb->mbxCommand, \ |
| 55 | phba->hba_state, \ |
| 56 | psli->sli_flag, \ |
| 57 | flag); |
| 58 | |
| 59 | |
| 60 | /* There are only four IOCB completion types. */ |
| 61 | typedef enum _lpfc_iocb_type { |
| 62 | LPFC_UNKNOWN_IOCB, |
| 63 | LPFC_UNSOL_IOCB, |
| 64 | LPFC_SOL_IOCB, |
| 65 | LPFC_ABORT_IOCB |
| 66 | } lpfc_iocb_type; |
| 67 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 68 | struct lpfc_iocbq * |
| 69 | lpfc_sli_get_iocbq(struct lpfc_hba * phba) |
| 70 | { |
| 71 | struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; |
| 72 | struct lpfc_iocbq * iocbq = NULL; |
| 73 | |
| 74 | list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list); |
| 75 | return iocbq; |
| 76 | } |
| 77 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 78 | void |
| 79 | lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocbq) |
| 80 | { |
| 81 | size_t start_clean = (size_t)(&((struct lpfc_iocbq *)NULL)->iocb); |
| 82 | |
| 83 | /* |
| 84 | * Clean all volatile data fields, preserve iotag and node struct. |
| 85 | */ |
| 86 | memset((char*)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); |
| 87 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); |
| 88 | } |
| 89 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 90 | /* |
| 91 | * Translate the iocb command to an iocb command type used to decide the final |
| 92 | * disposition of each completed IOCB. |
| 93 | */ |
| 94 | static lpfc_iocb_type |
| 95 | lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) |
| 96 | { |
| 97 | lpfc_iocb_type type = LPFC_UNKNOWN_IOCB; |
| 98 | |
| 99 | if (iocb_cmnd > CMD_MAX_IOCB_CMD) |
| 100 | return 0; |
| 101 | |
| 102 | switch (iocb_cmnd) { |
| 103 | case CMD_XMIT_SEQUENCE_CR: |
| 104 | case CMD_XMIT_SEQUENCE_CX: |
| 105 | case CMD_XMIT_BCAST_CN: |
| 106 | case CMD_XMIT_BCAST_CX: |
| 107 | case CMD_ELS_REQUEST_CR: |
| 108 | case CMD_ELS_REQUEST_CX: |
| 109 | case CMD_CREATE_XRI_CR: |
| 110 | case CMD_CREATE_XRI_CX: |
| 111 | case CMD_GET_RPI_CN: |
| 112 | case CMD_XMIT_ELS_RSP_CX: |
| 113 | case CMD_GET_RPI_CR: |
| 114 | case CMD_FCP_IWRITE_CR: |
| 115 | case CMD_FCP_IWRITE_CX: |
| 116 | case CMD_FCP_IREAD_CR: |
| 117 | case CMD_FCP_IREAD_CX: |
| 118 | case CMD_FCP_ICMND_CR: |
| 119 | case CMD_FCP_ICMND_CX: |
| 120 | case CMD_ADAPTER_MSG: |
| 121 | case CMD_ADAPTER_DUMP: |
| 122 | case CMD_XMIT_SEQUENCE64_CR: |
| 123 | case CMD_XMIT_SEQUENCE64_CX: |
| 124 | case CMD_XMIT_BCAST64_CN: |
| 125 | case CMD_XMIT_BCAST64_CX: |
| 126 | case CMD_ELS_REQUEST64_CR: |
| 127 | case CMD_ELS_REQUEST64_CX: |
| 128 | case CMD_FCP_IWRITE64_CR: |
| 129 | case CMD_FCP_IWRITE64_CX: |
| 130 | case CMD_FCP_IREAD64_CR: |
| 131 | case CMD_FCP_IREAD64_CX: |
| 132 | case CMD_FCP_ICMND64_CR: |
| 133 | case CMD_FCP_ICMND64_CX: |
| 134 | case CMD_GEN_REQUEST64_CR: |
| 135 | case CMD_GEN_REQUEST64_CX: |
| 136 | case CMD_XMIT_ELS_RSP64_CX: |
| 137 | type = LPFC_SOL_IOCB; |
| 138 | break; |
| 139 | case CMD_ABORT_XRI_CN: |
| 140 | case CMD_ABORT_XRI_CX: |
| 141 | case CMD_CLOSE_XRI_CN: |
| 142 | case CMD_CLOSE_XRI_CX: |
| 143 | case CMD_XRI_ABORTED_CX: |
| 144 | case CMD_ABORT_MXRI64_CN: |
| 145 | type = LPFC_ABORT_IOCB; |
| 146 | break; |
| 147 | case CMD_RCV_SEQUENCE_CX: |
| 148 | case CMD_RCV_ELS_REQ_CX: |
| 149 | case CMD_RCV_SEQUENCE64_CX: |
| 150 | case CMD_RCV_ELS_REQ64_CX: |
| 151 | type = LPFC_UNSOL_IOCB; |
| 152 | break; |
| 153 | default: |
| 154 | type = LPFC_UNKNOWN_IOCB; |
| 155 | break; |
| 156 | } |
| 157 | |
| 158 | return type; |
| 159 | } |
| 160 | |
| 161 | static int |
| 162 | lpfc_sli_ring_map(struct lpfc_hba * phba, LPFC_MBOXQ_t *pmb) |
| 163 | { |
| 164 | struct lpfc_sli *psli = &phba->sli; |
| 165 | MAILBOX_t *pmbox = &pmb->mb; |
| 166 | int i, rc; |
| 167 | |
| 168 | for (i = 0; i < psli->num_rings; i++) { |
| 169 | phba->hba_state = LPFC_INIT_MBX_CMDS; |
| 170 | lpfc_config_ring(phba, i, pmb); |
| 171 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
| 172 | if (rc != MBX_SUCCESS) { |
| 173 | lpfc_printf_log(phba, |
| 174 | KERN_ERR, |
| 175 | LOG_INIT, |
| 176 | "%d:0446 Adapter failed to init, " |
| 177 | "mbxCmd x%x CFG_RING, mbxStatus x%x, " |
| 178 | "ring %d\n", |
| 179 | phba->brd_no, |
| 180 | pmbox->mbxCommand, |
| 181 | pmbox->mbxStatus, |
| 182 | i); |
| 183 | phba->hba_state = LPFC_HBA_ERROR; |
| 184 | return -ENXIO; |
| 185 | } |
| 186 | } |
| 187 | return 0; |
| 188 | } |
| 189 | |
| 190 | static int |
| 191 | lpfc_sli_ringtxcmpl_put(struct lpfc_hba * phba, |
| 192 | struct lpfc_sli_ring * pring, struct lpfc_iocbq * piocb) |
| 193 | { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 194 | list_add_tail(&piocb->list, &pring->txcmplq); |
| 195 | pring->txcmplq_cnt++; |
| 196 | if (unlikely(pring->ringno == LPFC_ELS_RING)) |
| 197 | mod_timer(&phba->els_tmofunc, |
| 198 | jiffies + HZ * (phba->fc_ratov << 1)); |
| 199 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 200 | return (0); |
| 201 | } |
| 202 | |
| 203 | static struct lpfc_iocbq * |
| 204 | lpfc_sli_ringtx_get(struct lpfc_hba * phba, struct lpfc_sli_ring * pring) |
| 205 | { |
| 206 | struct list_head *dlp; |
| 207 | struct lpfc_iocbq *cmd_iocb; |
| 208 | |
| 209 | dlp = &pring->txq; |
| 210 | cmd_iocb = NULL; |
| 211 | list_remove_head((&pring->txq), cmd_iocb, |
| 212 | struct lpfc_iocbq, |
| 213 | list); |
| 214 | if (cmd_iocb) { |
| 215 | /* If the first ptr is not equal to the list header, |
| 216 | * deque the IOCBQ_t and return it. |
| 217 | */ |
| 218 | pring->txq_cnt--; |
| 219 | } |
| 220 | return (cmd_iocb); |
| 221 | } |
| 222 | |
| 223 | static IOCB_t * |
| 224 | lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
| 225 | { |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 226 | struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 227 | uint32_t max_cmd_idx = pring->numCiocb; |
| 228 | IOCB_t *iocb = NULL; |
| 229 | |
| 230 | if ((pring->next_cmdidx == pring->cmdidx) && |
| 231 | (++pring->next_cmdidx >= max_cmd_idx)) |
| 232 | pring->next_cmdidx = 0; |
| 233 | |
| 234 | if (unlikely(pring->local_getidx == pring->next_cmdidx)) { |
| 235 | |
| 236 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); |
| 237 | |
| 238 | if (unlikely(pring->local_getidx >= max_cmd_idx)) { |
| 239 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
| 240 | "%d:0315 Ring %d issue: portCmdGet %d " |
| 241 | "is bigger then cmd ring %d\n", |
| 242 | phba->brd_no, pring->ringno, |
| 243 | pring->local_getidx, max_cmd_idx); |
| 244 | |
| 245 | phba->hba_state = LPFC_HBA_ERROR; |
| 246 | /* |
| 247 | * All error attention handlers are posted to |
| 248 | * worker thread |
| 249 | */ |
| 250 | phba->work_ha |= HA_ERATT; |
| 251 | phba->work_hs = HS_FFER3; |
| 252 | if (phba->work_wait) |
| 253 | wake_up(phba->work_wait); |
| 254 | |
| 255 | return NULL; |
| 256 | } |
| 257 | |
| 258 | if (pring->local_getidx == pring->next_cmdidx) |
| 259 | return NULL; |
| 260 | } |
| 261 | |
| 262 | iocb = IOCB_ENTRY(pring->cmdringaddr, pring->cmdidx); |
| 263 | |
| 264 | return iocb; |
| 265 | } |
| 266 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 267 | uint16_t |
| 268 | lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocbq) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 269 | { |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 270 | struct lpfc_iocbq ** new_arr; |
| 271 | struct lpfc_iocbq ** old_arr; |
| 272 | size_t new_len; |
| 273 | struct lpfc_sli *psli = &phba->sli; |
| 274 | uint16_t iotag; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 275 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 276 | spin_lock_irq(phba->host->host_lock); |
| 277 | iotag = psli->last_iotag; |
| 278 | if(++iotag < psli->iocbq_lookup_len) { |
| 279 | psli->last_iotag = iotag; |
| 280 | psli->iocbq_lookup[iotag] = iocbq; |
| 281 | spin_unlock_irq(phba->host->host_lock); |
| 282 | iocbq->iotag = iotag; |
| 283 | return iotag; |
| 284 | } |
| 285 | else if (psli->iocbq_lookup_len < (0xffff |
| 286 | - LPFC_IOCBQ_LOOKUP_INCREMENT)) { |
| 287 | new_len = psli->iocbq_lookup_len + LPFC_IOCBQ_LOOKUP_INCREMENT; |
| 288 | spin_unlock_irq(phba->host->host_lock); |
| 289 | new_arr = kmalloc(new_len * sizeof (struct lpfc_iocbq *), |
| 290 | GFP_KERNEL); |
| 291 | if (new_arr) { |
| 292 | memset((char *)new_arr, 0, |
| 293 | new_len * sizeof (struct lpfc_iocbq *)); |
| 294 | spin_lock_irq(phba->host->host_lock); |
| 295 | old_arr = psli->iocbq_lookup; |
| 296 | if (new_len <= psli->iocbq_lookup_len) { |
| 297 | /* highly unprobable case */ |
| 298 | kfree(new_arr); |
| 299 | iotag = psli->last_iotag; |
| 300 | if(++iotag < psli->iocbq_lookup_len) { |
| 301 | psli->last_iotag = iotag; |
| 302 | psli->iocbq_lookup[iotag] = iocbq; |
| 303 | spin_unlock_irq(phba->host->host_lock); |
| 304 | iocbq->iotag = iotag; |
| 305 | return iotag; |
| 306 | } |
| 307 | spin_unlock_irq(phba->host->host_lock); |
| 308 | return 0; |
| 309 | } |
| 310 | if (psli->iocbq_lookup) |
| 311 | memcpy(new_arr, old_arr, |
| 312 | ((psli->last_iotag + 1) * |
| 313 | sizeof (struct lpfc_iocbq *))); |
| 314 | psli->iocbq_lookup = new_arr; |
| 315 | psli->iocbq_lookup_len = new_len; |
| 316 | psli->last_iotag = iotag; |
| 317 | psli->iocbq_lookup[iotag] = iocbq; |
| 318 | spin_unlock_irq(phba->host->host_lock); |
| 319 | iocbq->iotag = iotag; |
| 320 | kfree(old_arr); |
| 321 | return iotag; |
| 322 | } |
James Smart | 8f6d98d | 2006-08-01 07:34:00 -0400 | [diff] [blame] | 323 | } else |
| 324 | spin_unlock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 325 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 326 | lpfc_printf_log(phba, KERN_ERR,LOG_SLI, |
| 327 | "%d:0318 Failed to allocate IOTAG.last IOTAG is %d\n", |
| 328 | phba->brd_no, psli->last_iotag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 329 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 330 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 331 | } |
| 332 | |
| 333 | static void |
| 334 | lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 335 | IOCB_t *iocb, struct lpfc_iocbq *nextiocb) |
| 336 | { |
| 337 | /* |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 338 | * Set up an iotag |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 339 | */ |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 340 | nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 341 | |
| 342 | /* |
| 343 | * Issue iocb command to adapter |
| 344 | */ |
| 345 | lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, sizeof (IOCB_t)); |
| 346 | wmb(); |
| 347 | pring->stats.iocb_cmd++; |
| 348 | |
| 349 | /* |
| 350 | * If there is no completion routine to call, we can release the |
| 351 | * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF, |
| 352 | * that have no rsp ring completion, iocb_cmpl MUST be NULL. |
| 353 | */ |
| 354 | if (nextiocb->iocb_cmpl) |
| 355 | lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 356 | else |
| 357 | lpfc_sli_release_iocbq(phba, nextiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 358 | |
| 359 | /* |
| 360 | * Let the HBA know what IOCB slot will be the next one the |
| 361 | * driver will put a command into. |
| 362 | */ |
| 363 | pring->cmdidx = pring->next_cmdidx; |
James.Smart@Emulex.Com | f91b392 | 2005-10-28 20:29:28 -0400 | [diff] [blame] | 364 | writel(pring->cmdidx, phba->MBslimaddr |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 365 | + (SLIMOFF + (pring->ringno * 2)) * 4); |
| 366 | } |
| 367 | |
| 368 | static void |
| 369 | lpfc_sli_update_full_ring(struct lpfc_hba * phba, |
| 370 | struct lpfc_sli_ring *pring) |
| 371 | { |
| 372 | int ringno = pring->ringno; |
| 373 | |
| 374 | pring->flag |= LPFC_CALL_RING_AVAILABLE; |
| 375 | |
| 376 | wmb(); |
| 377 | |
| 378 | /* |
| 379 | * Set ring 'ringno' to SET R0CE_REQ in Chip Att register. |
| 380 | * The HBA will tell us when an IOCB entry is available. |
| 381 | */ |
| 382 | writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr); |
| 383 | readl(phba->CAregaddr); /* flush */ |
| 384 | |
| 385 | pring->stats.iocb_cmd_full++; |
| 386 | } |
| 387 | |
| 388 | static void |
| 389 | lpfc_sli_update_ring(struct lpfc_hba * phba, |
| 390 | struct lpfc_sli_ring *pring) |
| 391 | { |
| 392 | int ringno = pring->ringno; |
| 393 | |
| 394 | /* |
| 395 | * Tell the HBA that there is work to do in this ring. |
| 396 | */ |
| 397 | wmb(); |
| 398 | writel(CA_R0ATT << (ringno * 4), phba->CAregaddr); |
| 399 | readl(phba->CAregaddr); /* flush */ |
| 400 | } |
| 401 | |
| 402 | static void |
| 403 | lpfc_sli_resume_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring) |
| 404 | { |
| 405 | IOCB_t *iocb; |
| 406 | struct lpfc_iocbq *nextiocb; |
| 407 | |
| 408 | /* |
| 409 | * Check to see if: |
| 410 | * (a) there is anything on the txq to send |
| 411 | * (b) link is up |
| 412 | * (c) link attention events can be processed (fcp ring only) |
| 413 | * (d) IOCB processing is not blocked by the outstanding mbox command. |
| 414 | */ |
| 415 | if (pring->txq_cnt && |
| 416 | (phba->hba_state > LPFC_LINK_DOWN) && |
| 417 | (pring->ringno != phba->sli.fcp_ring || |
| 418 | phba->sli.sli_flag & LPFC_PROCESS_LA) && |
| 419 | !(pring->flag & LPFC_STOP_IOCB_MBX)) { |
| 420 | |
| 421 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && |
| 422 | (nextiocb = lpfc_sli_ringtx_get(phba, pring))) |
| 423 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); |
| 424 | |
| 425 | if (iocb) |
| 426 | lpfc_sli_update_ring(phba, pring); |
| 427 | else |
| 428 | lpfc_sli_update_full_ring(phba, pring); |
| 429 | } |
| 430 | |
| 431 | return; |
| 432 | } |
| 433 | |
| 434 | /* lpfc_sli_turn_on_ring is only called by lpfc_sli_handle_mb_event below */ |
| 435 | static void |
| 436 | lpfc_sli_turn_on_ring(struct lpfc_hba * phba, int ringno) |
| 437 | { |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 438 | struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[ringno]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 439 | |
| 440 | /* If the ring is active, flag it */ |
| 441 | if (phba->sli.ring[ringno].cmdringaddr) { |
| 442 | if (phba->sli.ring[ringno].flag & LPFC_STOP_IOCB_MBX) { |
| 443 | phba->sli.ring[ringno].flag &= ~LPFC_STOP_IOCB_MBX; |
| 444 | /* |
| 445 | * Force update of the local copy of cmdGetInx |
| 446 | */ |
| 447 | phba->sli.ring[ringno].local_getidx |
| 448 | = le32_to_cpu(pgp->cmdGetInx); |
| 449 | spin_lock_irq(phba->host->host_lock); |
| 450 | lpfc_sli_resume_iocb(phba, &phba->sli.ring[ringno]); |
| 451 | spin_unlock_irq(phba->host->host_lock); |
| 452 | } |
| 453 | } |
| 454 | } |
| 455 | |
| 456 | static int |
| 457 | lpfc_sli_chk_mbx_command(uint8_t mbxCommand) |
| 458 | { |
| 459 | uint8_t ret; |
| 460 | |
| 461 | switch (mbxCommand) { |
| 462 | case MBX_LOAD_SM: |
| 463 | case MBX_READ_NV: |
| 464 | case MBX_WRITE_NV: |
| 465 | case MBX_RUN_BIU_DIAG: |
| 466 | case MBX_INIT_LINK: |
| 467 | case MBX_DOWN_LINK: |
| 468 | case MBX_CONFIG_LINK: |
| 469 | case MBX_CONFIG_RING: |
| 470 | case MBX_RESET_RING: |
| 471 | case MBX_READ_CONFIG: |
| 472 | case MBX_READ_RCONFIG: |
| 473 | case MBX_READ_SPARM: |
| 474 | case MBX_READ_STATUS: |
| 475 | case MBX_READ_RPI: |
| 476 | case MBX_READ_XRI: |
| 477 | case MBX_READ_REV: |
| 478 | case MBX_READ_LNK_STAT: |
| 479 | case MBX_REG_LOGIN: |
| 480 | case MBX_UNREG_LOGIN: |
| 481 | case MBX_READ_LA: |
| 482 | case MBX_CLEAR_LA: |
| 483 | case MBX_DUMP_MEMORY: |
| 484 | case MBX_DUMP_CONTEXT: |
| 485 | case MBX_RUN_DIAGS: |
| 486 | case MBX_RESTART: |
| 487 | case MBX_UPDATE_CFG: |
| 488 | case MBX_DOWN_LOAD: |
| 489 | case MBX_DEL_LD_ENTRY: |
| 490 | case MBX_RUN_PROGRAM: |
| 491 | case MBX_SET_MASK: |
| 492 | case MBX_SET_SLIM: |
| 493 | case MBX_UNREG_D_ID: |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 494 | case MBX_KILL_BOARD: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 495 | case MBX_CONFIG_FARP: |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 496 | case MBX_BEACON: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 497 | case MBX_LOAD_AREA: |
| 498 | case MBX_RUN_BIU_DIAG64: |
| 499 | case MBX_CONFIG_PORT: |
| 500 | case MBX_READ_SPARM64: |
| 501 | case MBX_READ_RPI64: |
| 502 | case MBX_REG_LOGIN64: |
| 503 | case MBX_READ_LA64: |
| 504 | case MBX_FLASH_WR_ULA: |
| 505 | case MBX_SET_DEBUG: |
| 506 | case MBX_LOAD_EXP_ROM: |
| 507 | ret = mbxCommand; |
| 508 | break; |
| 509 | default: |
| 510 | ret = MBX_SHUTDOWN; |
| 511 | break; |
| 512 | } |
| 513 | return (ret); |
| 514 | } |
| 515 | static void |
| 516 | lpfc_sli_wake_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) |
| 517 | { |
| 518 | wait_queue_head_t *pdone_q; |
| 519 | |
| 520 | /* |
| 521 | * If pdone_q is empty, the driver thread gave up waiting and |
| 522 | * continued running. |
| 523 | */ |
| 524 | pdone_q = (wait_queue_head_t *) pmboxq->context1; |
| 525 | if (pdone_q) |
| 526 | wake_up_interruptible(pdone_q); |
| 527 | return; |
| 528 | } |
| 529 | |
| 530 | void |
| 531 | lpfc_sli_def_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| 532 | { |
| 533 | struct lpfc_dmabuf *mp; |
| 534 | mp = (struct lpfc_dmabuf *) (pmb->context1); |
| 535 | if (mp) { |
| 536 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 537 | kfree(mp); |
| 538 | } |
| 539 | mempool_free( pmb, phba->mbox_mem_pool); |
| 540 | return; |
| 541 | } |
| 542 | |
| 543 | int |
| 544 | lpfc_sli_handle_mb_event(struct lpfc_hba * phba) |
| 545 | { |
| 546 | MAILBOX_t *mbox; |
| 547 | MAILBOX_t *pmbox; |
| 548 | LPFC_MBOXQ_t *pmb; |
| 549 | struct lpfc_sli *psli; |
| 550 | int i, rc; |
| 551 | uint32_t process_next; |
| 552 | |
| 553 | psli = &phba->sli; |
| 554 | /* We should only get here if we are in SLI2 mode */ |
| 555 | if (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE)) { |
| 556 | return (1); |
| 557 | } |
| 558 | |
| 559 | phba->sli.slistat.mbox_event++; |
| 560 | |
| 561 | /* Get a Mailbox buffer to setup mailbox commands for callback */ |
| 562 | if ((pmb = phba->sli.mbox_active)) { |
| 563 | pmbox = &pmb->mb; |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 564 | mbox = &phba->slim2p->mbx; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 565 | |
| 566 | /* First check out the status word */ |
| 567 | lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof (uint32_t)); |
| 568 | |
| 569 | /* Sanity check to ensure the host owns the mailbox */ |
| 570 | if (pmbox->mbxOwner != OWN_HOST) { |
| 571 | /* Lets try for a while */ |
| 572 | for (i = 0; i < 10240; i++) { |
| 573 | /* First copy command data */ |
| 574 | lpfc_sli_pcimem_bcopy(mbox, pmbox, |
| 575 | sizeof (uint32_t)); |
| 576 | if (pmbox->mbxOwner == OWN_HOST) |
| 577 | goto mbout; |
| 578 | } |
| 579 | /* Stray Mailbox Interrupt, mbxCommand <cmd> mbxStatus |
| 580 | <status> */ |
| 581 | lpfc_printf_log(phba, |
James Smart | b4c0265 | 2006-07-06 15:50:43 -0400 | [diff] [blame] | 582 | KERN_WARNING, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 583 | LOG_MBOX | LOG_SLI, |
| 584 | "%d:0304 Stray Mailbox Interrupt " |
| 585 | "mbxCommand x%x mbxStatus x%x\n", |
| 586 | phba->brd_no, |
| 587 | pmbox->mbxCommand, |
| 588 | pmbox->mbxStatus); |
| 589 | |
| 590 | spin_lock_irq(phba->host->host_lock); |
| 591 | phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
| 592 | spin_unlock_irq(phba->host->host_lock); |
| 593 | return (1); |
| 594 | } |
| 595 | |
| 596 | mbout: |
| 597 | del_timer_sync(&phba->sli.mbox_tmo); |
| 598 | phba->work_hba_events &= ~WORKER_MBOX_TMO; |
| 599 | |
| 600 | /* |
| 601 | * It is a fatal error if unknown mbox command completion. |
| 602 | */ |
| 603 | if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) == |
| 604 | MBX_SHUTDOWN) { |
| 605 | |
| 606 | /* Unknow mailbox command compl */ |
| 607 | lpfc_printf_log(phba, |
| 608 | KERN_ERR, |
| 609 | LOG_MBOX | LOG_SLI, |
| 610 | "%d:0323 Unknown Mailbox command %x Cmpl\n", |
| 611 | phba->brd_no, |
| 612 | pmbox->mbxCommand); |
| 613 | phba->hba_state = LPFC_HBA_ERROR; |
| 614 | phba->work_hs = HS_FFER3; |
| 615 | lpfc_handle_eratt(phba); |
| 616 | return (0); |
| 617 | } |
| 618 | |
| 619 | phba->sli.mbox_active = NULL; |
| 620 | if (pmbox->mbxStatus) { |
| 621 | phba->sli.slistat.mbox_stat_err++; |
| 622 | if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) { |
| 623 | /* Mbox cmd cmpl error - RETRYing */ |
| 624 | lpfc_printf_log(phba, |
| 625 | KERN_INFO, |
| 626 | LOG_MBOX | LOG_SLI, |
| 627 | "%d:0305 Mbox cmd cmpl error - " |
| 628 | "RETRYing Data: x%x x%x x%x x%x\n", |
| 629 | phba->brd_no, |
| 630 | pmbox->mbxCommand, |
| 631 | pmbox->mbxStatus, |
| 632 | pmbox->un.varWords[0], |
| 633 | phba->hba_state); |
| 634 | pmbox->mbxStatus = 0; |
| 635 | pmbox->mbxOwner = OWN_HOST; |
| 636 | spin_lock_irq(phba->host->host_lock); |
| 637 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 638 | spin_unlock_irq(phba->host->host_lock); |
| 639 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
| 640 | if (rc == MBX_SUCCESS) |
| 641 | return (0); |
| 642 | } |
| 643 | } |
| 644 | |
| 645 | /* Mailbox cmd <cmd> Cmpl <cmpl> */ |
| 646 | lpfc_printf_log(phba, |
| 647 | KERN_INFO, |
| 648 | LOG_MBOX | LOG_SLI, |
| 649 | "%d:0307 Mailbox cmd x%x Cmpl x%p " |
| 650 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x\n", |
| 651 | phba->brd_no, |
| 652 | pmbox->mbxCommand, |
| 653 | pmb->mbox_cmpl, |
| 654 | *((uint32_t *) pmbox), |
| 655 | pmbox->un.varWords[0], |
| 656 | pmbox->un.varWords[1], |
| 657 | pmbox->un.varWords[2], |
| 658 | pmbox->un.varWords[3], |
| 659 | pmbox->un.varWords[4], |
| 660 | pmbox->un.varWords[5], |
| 661 | pmbox->un.varWords[6], |
| 662 | pmbox->un.varWords[7]); |
| 663 | |
| 664 | if (pmb->mbox_cmpl) { |
| 665 | lpfc_sli_pcimem_bcopy(mbox, pmbox, MAILBOX_CMD_SIZE); |
| 666 | pmb->mbox_cmpl(phba,pmb); |
| 667 | } |
| 668 | } |
| 669 | |
| 670 | |
| 671 | do { |
| 672 | process_next = 0; /* by default don't loop */ |
| 673 | spin_lock_irq(phba->host->host_lock); |
| 674 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 675 | |
| 676 | /* Process next mailbox command if there is one */ |
| 677 | if ((pmb = lpfc_mbox_get(phba))) { |
| 678 | spin_unlock_irq(phba->host->host_lock); |
| 679 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
| 680 | if (rc == MBX_NOT_FINISHED) { |
| 681 | pmb->mb.mbxStatus = MBX_NOT_FINISHED; |
| 682 | pmb->mbox_cmpl(phba,pmb); |
| 683 | process_next = 1; |
| 684 | continue; /* loop back */ |
| 685 | } |
| 686 | } else { |
| 687 | spin_unlock_irq(phba->host->host_lock); |
| 688 | /* Turn on IOCB processing */ |
| 689 | for (i = 0; i < phba->sli.num_rings; i++) { |
| 690 | lpfc_sli_turn_on_ring(phba, i); |
| 691 | } |
| 692 | |
| 693 | /* Free any lpfc_dmabuf's waiting for mbox cmd cmpls */ |
| 694 | while (!list_empty(&phba->freebufList)) { |
| 695 | struct lpfc_dmabuf *mp; |
| 696 | |
| 697 | mp = NULL; |
| 698 | list_remove_head((&phba->freebufList), |
| 699 | mp, |
| 700 | struct lpfc_dmabuf, |
| 701 | list); |
| 702 | if (mp) { |
| 703 | lpfc_mbuf_free(phba, mp->virt, |
| 704 | mp->phys); |
| 705 | kfree(mp); |
| 706 | } |
| 707 | } |
| 708 | } |
| 709 | |
| 710 | } while (process_next); |
| 711 | |
| 712 | return (0); |
| 713 | } |
| 714 | static int |
| 715 | lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 716 | struct lpfc_iocbq *saveq) |
| 717 | { |
| 718 | IOCB_t * irsp; |
| 719 | WORD5 * w5p; |
| 720 | uint32_t Rctl, Type; |
| 721 | uint32_t match, i; |
| 722 | |
| 723 | match = 0; |
| 724 | irsp = &(saveq->iocb); |
| 725 | if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) |
| 726 | || (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX)) { |
| 727 | Rctl = FC_ELS_REQ; |
| 728 | Type = FC_ELS_DATA; |
| 729 | } else { |
| 730 | w5p = |
| 731 | (WORD5 *) & (saveq->iocb.un. |
| 732 | ulpWord[5]); |
| 733 | Rctl = w5p->hcsw.Rctl; |
| 734 | Type = w5p->hcsw.Type; |
| 735 | |
| 736 | /* Firmware Workaround */ |
| 737 | if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) && |
| 738 | (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX)) { |
| 739 | Rctl = FC_ELS_REQ; |
| 740 | Type = FC_ELS_DATA; |
| 741 | w5p->hcsw.Rctl = Rctl; |
| 742 | w5p->hcsw.Type = Type; |
| 743 | } |
| 744 | } |
| 745 | /* unSolicited Responses */ |
| 746 | if (pring->prt[0].profile) { |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 747 | if (pring->prt[0].lpfc_sli_rcv_unsol_event) |
| 748 | (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring, |
| 749 | saveq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 750 | match = 1; |
| 751 | } else { |
| 752 | /* We must search, based on rctl / type |
| 753 | for the right routine */ |
| 754 | for (i = 0; i < pring->num_mask; |
| 755 | i++) { |
| 756 | if ((pring->prt[i].rctl == |
| 757 | Rctl) |
| 758 | && (pring->prt[i]. |
| 759 | type == Type)) { |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 760 | if (pring->prt[i].lpfc_sli_rcv_unsol_event) |
| 761 | (pring->prt[i].lpfc_sli_rcv_unsol_event) |
| 762 | (phba, pring, saveq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 763 | match = 1; |
| 764 | break; |
| 765 | } |
| 766 | } |
| 767 | } |
| 768 | if (match == 0) { |
| 769 | /* Unexpected Rctl / Type received */ |
| 770 | /* Ring <ringno> handler: unexpected |
| 771 | Rctl <Rctl> Type <Type> received */ |
| 772 | lpfc_printf_log(phba, |
| 773 | KERN_WARNING, |
| 774 | LOG_SLI, |
| 775 | "%d:0313 Ring %d handler: unexpected Rctl x%x " |
| 776 | "Type x%x received \n", |
| 777 | phba->brd_no, |
| 778 | pring->ringno, |
| 779 | Rctl, |
| 780 | Type); |
| 781 | } |
| 782 | return(1); |
| 783 | } |
| 784 | |
| 785 | static struct lpfc_iocbq * |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 786 | lpfc_sli_iocbq_lookup(struct lpfc_hba * phba, |
| 787 | struct lpfc_sli_ring * pring, |
| 788 | struct lpfc_iocbq * prspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 789 | { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 790 | struct lpfc_iocbq *cmd_iocb = NULL; |
| 791 | uint16_t iotag; |
| 792 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 793 | iotag = prspiocb->iocb.ulpIoTag; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 794 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 795 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { |
| 796 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; |
| 797 | list_del(&cmd_iocb->list); |
| 798 | pring->txcmplq_cnt--; |
| 799 | return cmd_iocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 800 | } |
| 801 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 802 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 803 | "%d:0317 iotag x%x is out off " |
| 804 | "range: max iotag x%x wd0 x%x\n", |
| 805 | phba->brd_no, iotag, |
| 806 | phba->sli.last_iotag, |
| 807 | *(((uint32_t *) &prspiocb->iocb) + 7)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 808 | return NULL; |
| 809 | } |
| 810 | |
| 811 | static int |
| 812 | lpfc_sli_process_sol_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, |
| 813 | struct lpfc_iocbq *saveq) |
| 814 | { |
| 815 | struct lpfc_iocbq * cmdiocbp; |
| 816 | int rc = 1; |
| 817 | unsigned long iflag; |
| 818 | |
| 819 | /* Based on the iotag field, get the cmd IOCB from the txcmplq */ |
| 820 | spin_lock_irqsave(phba->host->host_lock, iflag); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 821 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 822 | if (cmdiocbp) { |
| 823 | if (cmdiocbp->iocb_cmpl) { |
| 824 | /* |
| 825 | * Post all ELS completions to the worker thread. |
| 826 | * All other are passed to the completion callback. |
| 827 | */ |
| 828 | if (pring->ringno == LPFC_ELS_RING) { |
| 829 | spin_unlock_irqrestore(phba->host->host_lock, |
| 830 | iflag); |
| 831 | (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); |
| 832 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 833 | } |
| 834 | else { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 835 | spin_unlock_irqrestore(phba->host->host_lock, |
| 836 | iflag); |
| 837 | (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); |
| 838 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 839 | } |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 840 | } else |
| 841 | lpfc_sli_release_iocbq(phba, cmdiocbp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 842 | } else { |
| 843 | /* |
| 844 | * Unknown initiating command based on the response iotag. |
| 845 | * This could be the case on the ELS ring because of |
| 846 | * lpfc_els_abort(). |
| 847 | */ |
| 848 | if (pring->ringno != LPFC_ELS_RING) { |
| 849 | /* |
| 850 | * Ring <ringno> handler: unexpected completion IoTag |
| 851 | * <IoTag> |
| 852 | */ |
| 853 | lpfc_printf_log(phba, |
| 854 | KERN_WARNING, |
| 855 | LOG_SLI, |
| 856 | "%d:0322 Ring %d handler: unexpected " |
| 857 | "completion IoTag x%x Data: x%x x%x x%x x%x\n", |
| 858 | phba->brd_no, |
| 859 | pring->ringno, |
| 860 | saveq->iocb.ulpIoTag, |
| 861 | saveq->iocb.ulpStatus, |
| 862 | saveq->iocb.un.ulpWord[4], |
| 863 | saveq->iocb.ulpCommand, |
| 864 | saveq->iocb.ulpContext); |
| 865 | } |
| 866 | } |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 867 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 868 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 869 | return rc; |
| 870 | } |
| 871 | |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 872 | static void lpfc_sli_rsp_pointers_error(struct lpfc_hba * phba, |
| 873 | struct lpfc_sli_ring * pring) |
| 874 | { |
| 875 | struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
| 876 | /* |
| 877 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger then |
| 878 | * rsp ring <portRspMax> |
| 879 | */ |
| 880 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
| 881 | "%d:0312 Ring %d handler: portRspPut %d " |
| 882 | "is bigger then rsp ring %d\n", |
| 883 | phba->brd_no, pring->ringno, |
| 884 | le32_to_cpu(pgp->rspPutInx), |
| 885 | pring->numRiocb); |
| 886 | |
| 887 | phba->hba_state = LPFC_HBA_ERROR; |
| 888 | |
| 889 | /* |
| 890 | * All error attention handlers are posted to |
| 891 | * worker thread |
| 892 | */ |
| 893 | phba->work_ha |= HA_ERATT; |
| 894 | phba->work_hs = HS_FFER3; |
| 895 | if (phba->work_wait) |
| 896 | wake_up(phba->work_wait); |
| 897 | |
| 898 | return; |
| 899 | } |
| 900 | |
| 901 | void lpfc_sli_poll_fcp_ring(struct lpfc_hba * phba) |
| 902 | { |
| 903 | struct lpfc_sli * psli = &phba->sli; |
| 904 | struct lpfc_sli_ring * pring = &psli->ring[LPFC_FCP_RING]; |
| 905 | IOCB_t *irsp = NULL; |
| 906 | IOCB_t *entry = NULL; |
| 907 | struct lpfc_iocbq *cmdiocbq = NULL; |
| 908 | struct lpfc_iocbq rspiocbq; |
| 909 | struct lpfc_pgp *pgp; |
| 910 | uint32_t status; |
| 911 | uint32_t portRspPut, portRspMax; |
| 912 | int type; |
| 913 | uint32_t rsp_cmpl = 0; |
| 914 | void __iomem *to_slim; |
| 915 | uint32_t ha_copy; |
| 916 | |
| 917 | pring->stats.iocb_event++; |
| 918 | |
| 919 | /* The driver assumes SLI-2 mode */ |
| 920 | pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
| 921 | |
| 922 | /* |
| 923 | * The next available response entry should never exceed the maximum |
| 924 | * entries. If it does, treat it as an adapter hardware error. |
| 925 | */ |
| 926 | portRspMax = pring->numRiocb; |
| 927 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 928 | if (unlikely(portRspPut >= portRspMax)) { |
| 929 | lpfc_sli_rsp_pointers_error(phba, pring); |
| 930 | return; |
| 931 | } |
| 932 | |
| 933 | rmb(); |
| 934 | while (pring->rspidx != portRspPut) { |
| 935 | |
| 936 | entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx); |
| 937 | |
| 938 | if (++pring->rspidx >= portRspMax) |
| 939 | pring->rspidx = 0; |
| 940 | |
| 941 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, |
| 942 | (uint32_t *) &rspiocbq.iocb, |
| 943 | sizeof (IOCB_t)); |
| 944 | irsp = &rspiocbq.iocb; |
| 945 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); |
| 946 | pring->stats.iocb_rsp++; |
| 947 | rsp_cmpl++; |
| 948 | |
| 949 | if (unlikely(irsp->ulpStatus)) { |
| 950 | /* Rsp ring <ringno> error: IOCB */ |
| 951 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
| 952 | "%d:0326 Rsp Ring %d error: IOCB Data: " |
| 953 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
| 954 | phba->brd_no, pring->ringno, |
| 955 | irsp->un.ulpWord[0], |
| 956 | irsp->un.ulpWord[1], |
| 957 | irsp->un.ulpWord[2], |
| 958 | irsp->un.ulpWord[3], |
| 959 | irsp->un.ulpWord[4], |
| 960 | irsp->un.ulpWord[5], |
| 961 | *(((uint32_t *) irsp) + 6), |
| 962 | *(((uint32_t *) irsp) + 7)); |
| 963 | } |
| 964 | |
| 965 | switch (type) { |
| 966 | case LPFC_ABORT_IOCB: |
| 967 | case LPFC_SOL_IOCB: |
| 968 | /* |
| 969 | * Idle exchange closed via ABTS from port. No iocb |
| 970 | * resources need to be recovered. |
| 971 | */ |
| 972 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 973 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
| 974 | "%d:0314 IOCB cmd 0x%x" |
| 975 | " processed. Skipping" |
| 976 | " completion", phba->brd_no, |
| 977 | irsp->ulpCommand); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 978 | break; |
| 979 | } |
| 980 | |
| 981 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
| 982 | &rspiocbq); |
| 983 | if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) { |
| 984 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, |
| 985 | &rspiocbq); |
| 986 | } |
| 987 | break; |
| 988 | default: |
| 989 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { |
| 990 | char adaptermsg[LPFC_MAX_ADPTMSG]; |
| 991 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); |
| 992 | memcpy(&adaptermsg[0], (uint8_t *) irsp, |
| 993 | MAX_MSG_DATA); |
| 994 | dev_warn(&((phba->pcidev)->dev), "lpfc%d: %s", |
| 995 | phba->brd_no, adaptermsg); |
| 996 | } else { |
| 997 | /* Unknown IOCB command */ |
| 998 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
| 999 | "%d:0321 Unknown IOCB command " |
| 1000 | "Data: x%x, x%x x%x x%x x%x\n", |
| 1001 | phba->brd_no, type, |
| 1002 | irsp->ulpCommand, |
| 1003 | irsp->ulpStatus, |
| 1004 | irsp->ulpIoTag, |
| 1005 | irsp->ulpContext); |
| 1006 | } |
| 1007 | break; |
| 1008 | } |
| 1009 | |
| 1010 | /* |
| 1011 | * The response IOCB has been processed. Update the ring |
| 1012 | * pointer in SLIM. If the port response put pointer has not |
| 1013 | * been updated, sync the pgp->rspPutInx and fetch the new port |
| 1014 | * response put pointer. |
| 1015 | */ |
| 1016 | to_slim = phba->MBslimaddr + |
| 1017 | (SLIMOFF + (pring->ringno * 2) + 1) * 4; |
| 1018 | writeb(pring->rspidx, to_slim); |
| 1019 | |
| 1020 | if (pring->rspidx == portRspPut) |
| 1021 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1022 | } |
| 1023 | |
| 1024 | ha_copy = readl(phba->HAregaddr); |
| 1025 | ha_copy >>= (LPFC_FCP_RING * 4); |
| 1026 | |
| 1027 | if ((rsp_cmpl > 0) && (ha_copy & HA_R0RE_REQ)) { |
| 1028 | pring->stats.iocb_rsp_full++; |
| 1029 | status = ((CA_R0ATT | CA_R0RE_RSP) << (LPFC_FCP_RING * 4)); |
| 1030 | writel(status, phba->CAregaddr); |
| 1031 | readl(phba->CAregaddr); |
| 1032 | } |
| 1033 | if ((ha_copy & HA_R0CE_RSP) && |
| 1034 | (pring->flag & LPFC_CALL_RING_AVAILABLE)) { |
| 1035 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; |
| 1036 | pring->stats.iocb_cmd_empty++; |
| 1037 | |
| 1038 | /* Force update of the local copy of cmdGetInx */ |
| 1039 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); |
| 1040 | lpfc_sli_resume_iocb(phba, pring); |
| 1041 | |
| 1042 | if ((pring->lpfc_sli_cmd_available)) |
| 1043 | (pring->lpfc_sli_cmd_available) (phba, pring); |
| 1044 | |
| 1045 | } |
| 1046 | |
| 1047 | return; |
| 1048 | } |
| 1049 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1050 | /* |
| 1051 | * This routine presumes LPFC_FCP_RING handling and doesn't bother |
| 1052 | * to check it explicitly. |
| 1053 | */ |
| 1054 | static int |
| 1055 | lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba, |
| 1056 | struct lpfc_sli_ring * pring, uint32_t mask) |
| 1057 | { |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 1058 | struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1059 | IOCB_t *irsp = NULL; |
James.Smart@Emulex.Com | 87f6eaf | 2005-06-25 10:34:13 -0400 | [diff] [blame] | 1060 | IOCB_t *entry = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1061 | struct lpfc_iocbq *cmdiocbq = NULL; |
| 1062 | struct lpfc_iocbq rspiocbq; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1063 | uint32_t status; |
| 1064 | uint32_t portRspPut, portRspMax; |
| 1065 | int rc = 1; |
| 1066 | lpfc_iocb_type type; |
| 1067 | unsigned long iflag; |
| 1068 | uint32_t rsp_cmpl = 0; |
| 1069 | void __iomem *to_slim; |
| 1070 | |
| 1071 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 1072 | pring->stats.iocb_event++; |
| 1073 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1074 | /* |
| 1075 | * The next available response entry should never exceed the maximum |
| 1076 | * entries. If it does, treat it as an adapter hardware error. |
| 1077 | */ |
| 1078 | portRspMax = pring->numRiocb; |
| 1079 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1080 | if (unlikely(portRspPut >= portRspMax)) { |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1081 | lpfc_sli_rsp_pointers_error(phba, pring); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1082 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 1083 | return 1; |
| 1084 | } |
| 1085 | |
| 1086 | rmb(); |
| 1087 | while (pring->rspidx != portRspPut) { |
James.Smart@Emulex.Com | 87f6eaf | 2005-06-25 10:34:13 -0400 | [diff] [blame] | 1088 | /* |
| 1089 | * Fetch an entry off the ring and copy it into a local data |
| 1090 | * structure. The copy involves a byte-swap since the |
| 1091 | * network byte order and pci byte orders are different. |
| 1092 | */ |
James.Smart@Emulex.Com | 4a0dfcd | 2005-10-28 20:29:56 -0400 | [diff] [blame] | 1093 | entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1094 | |
| 1095 | if (++pring->rspidx >= portRspMax) |
| 1096 | pring->rspidx = 0; |
| 1097 | |
James.Smart@Emulex.Com | 87f6eaf | 2005-06-25 10:34:13 -0400 | [diff] [blame] | 1098 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, |
| 1099 | (uint32_t *) &rspiocbq.iocb, |
| 1100 | sizeof (IOCB_t)); |
| 1101 | irsp = &rspiocbq.iocb; |
| 1102 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1103 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); |
| 1104 | pring->stats.iocb_rsp++; |
| 1105 | rsp_cmpl++; |
| 1106 | |
| 1107 | if (unlikely(irsp->ulpStatus)) { |
| 1108 | /* Rsp ring <ringno> error: IOCB */ |
| 1109 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1110 | "%d:0336 Rsp Ring %d error: IOCB Data: " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1111 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
| 1112 | phba->brd_no, pring->ringno, |
| 1113 | irsp->un.ulpWord[0], irsp->un.ulpWord[1], |
| 1114 | irsp->un.ulpWord[2], irsp->un.ulpWord[3], |
| 1115 | irsp->un.ulpWord[4], irsp->un.ulpWord[5], |
| 1116 | *(((uint32_t *) irsp) + 6), |
| 1117 | *(((uint32_t *) irsp) + 7)); |
| 1118 | } |
| 1119 | |
| 1120 | switch (type) { |
| 1121 | case LPFC_ABORT_IOCB: |
| 1122 | case LPFC_SOL_IOCB: |
| 1123 | /* |
| 1124 | * Idle exchange closed via ABTS from port. No iocb |
| 1125 | * resources need to be recovered. |
| 1126 | */ |
| 1127 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1128 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
| 1129 | "%d:0333 IOCB cmd 0x%x" |
| 1130 | " processed. Skipping" |
| 1131 | " completion\n", phba->brd_no, |
| 1132 | irsp->ulpCommand); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1133 | break; |
| 1134 | } |
| 1135 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1136 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
| 1137 | &rspiocbq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1138 | if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) { |
Jamie Wellnitz | b808608 | 2006-02-28 22:33:12 -0500 | [diff] [blame] | 1139 | if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { |
| 1140 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, |
| 1141 | &rspiocbq); |
| 1142 | } else { |
| 1143 | spin_unlock_irqrestore( |
| 1144 | phba->host->host_lock, iflag); |
| 1145 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, |
| 1146 | &rspiocbq); |
| 1147 | spin_lock_irqsave(phba->host->host_lock, |
| 1148 | iflag); |
| 1149 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1150 | } |
| 1151 | break; |
| 1152 | default: |
| 1153 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { |
| 1154 | char adaptermsg[LPFC_MAX_ADPTMSG]; |
| 1155 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); |
| 1156 | memcpy(&adaptermsg[0], (uint8_t *) irsp, |
| 1157 | MAX_MSG_DATA); |
| 1158 | dev_warn(&((phba->pcidev)->dev), "lpfc%d: %s", |
| 1159 | phba->brd_no, adaptermsg); |
| 1160 | } else { |
| 1161 | /* Unknown IOCB command */ |
| 1162 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1163 | "%d:0334 Unknown IOCB command " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1164 | "Data: x%x, x%x x%x x%x x%x\n", |
| 1165 | phba->brd_no, type, irsp->ulpCommand, |
| 1166 | irsp->ulpStatus, irsp->ulpIoTag, |
| 1167 | irsp->ulpContext); |
| 1168 | } |
| 1169 | break; |
| 1170 | } |
| 1171 | |
| 1172 | /* |
| 1173 | * The response IOCB has been processed. Update the ring |
| 1174 | * pointer in SLIM. If the port response put pointer has not |
| 1175 | * been updated, sync the pgp->rspPutInx and fetch the new port |
| 1176 | * response put pointer. |
| 1177 | */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1178 | to_slim = phba->MBslimaddr + |
| 1179 | (SLIMOFF + (pring->ringno * 2) + 1) * 4; |
James.Smart@Emulex.Com | f91b392 | 2005-10-28 20:29:28 -0400 | [diff] [blame] | 1180 | writel(pring->rspidx, to_slim); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1181 | |
| 1182 | if (pring->rspidx == portRspPut) |
| 1183 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1184 | } |
| 1185 | |
| 1186 | if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) { |
| 1187 | pring->stats.iocb_rsp_full++; |
| 1188 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); |
| 1189 | writel(status, phba->CAregaddr); |
| 1190 | readl(phba->CAregaddr); |
| 1191 | } |
| 1192 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { |
| 1193 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; |
| 1194 | pring->stats.iocb_cmd_empty++; |
| 1195 | |
| 1196 | /* Force update of the local copy of cmdGetInx */ |
| 1197 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); |
| 1198 | lpfc_sli_resume_iocb(phba, pring); |
| 1199 | |
| 1200 | if ((pring->lpfc_sli_cmd_available)) |
| 1201 | (pring->lpfc_sli_cmd_available) (phba, pring); |
| 1202 | |
| 1203 | } |
| 1204 | |
| 1205 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 1206 | return rc; |
| 1207 | } |
| 1208 | |
| 1209 | |
| 1210 | int |
| 1211 | lpfc_sli_handle_slow_ring_event(struct lpfc_hba * phba, |
| 1212 | struct lpfc_sli_ring * pring, uint32_t mask) |
| 1213 | { |
| 1214 | IOCB_t *entry; |
| 1215 | IOCB_t *irsp = NULL; |
| 1216 | struct lpfc_iocbq *rspiocbp = NULL; |
| 1217 | struct lpfc_iocbq *next_iocb; |
| 1218 | struct lpfc_iocbq *cmdiocbp; |
| 1219 | struct lpfc_iocbq *saveq; |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 1220 | struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1221 | uint8_t iocb_cmd_type; |
| 1222 | lpfc_iocb_type type; |
| 1223 | uint32_t status, free_saveq; |
| 1224 | uint32_t portRspPut, portRspMax; |
| 1225 | int rc = 1; |
| 1226 | unsigned long iflag; |
| 1227 | void __iomem *to_slim; |
| 1228 | |
| 1229 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 1230 | pring->stats.iocb_event++; |
| 1231 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1232 | /* |
| 1233 | * The next available response entry should never exceed the maximum |
| 1234 | * entries. If it does, treat it as an adapter hardware error. |
| 1235 | */ |
| 1236 | portRspMax = pring->numRiocb; |
| 1237 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1238 | if (portRspPut >= portRspMax) { |
| 1239 | /* |
| 1240 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger then |
| 1241 | * rsp ring <portRspMax> |
| 1242 | */ |
| 1243 | lpfc_printf_log(phba, |
| 1244 | KERN_ERR, |
| 1245 | LOG_SLI, |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1246 | "%d:0303 Ring %d handler: portRspPut %d " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1247 | "is bigger then rsp ring %d\n", |
| 1248 | phba->brd_no, |
| 1249 | pring->ringno, portRspPut, portRspMax); |
| 1250 | |
| 1251 | phba->hba_state = LPFC_HBA_ERROR; |
| 1252 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 1253 | |
| 1254 | phba->work_hs = HS_FFER3; |
| 1255 | lpfc_handle_eratt(phba); |
| 1256 | |
| 1257 | return 1; |
| 1258 | } |
| 1259 | |
| 1260 | rmb(); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1261 | while (pring->rspidx != portRspPut) { |
| 1262 | /* |
| 1263 | * Build a completion list and call the appropriate handler. |
| 1264 | * The process is to get the next available response iocb, get |
| 1265 | * a free iocb from the list, copy the response data into the |
| 1266 | * free iocb, insert to the continuation list, and update the |
| 1267 | * next response index to slim. This process makes response |
| 1268 | * iocb's in the ring available to DMA as fast as possible but |
| 1269 | * pays a penalty for a copy operation. Since the iocb is |
| 1270 | * only 32 bytes, this penalty is considered small relative to |
| 1271 | * the PCI reads for register values and a slim write. When |
| 1272 | * the ulpLe field is set, the entire Command has been |
| 1273 | * received. |
| 1274 | */ |
| 1275 | entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx); |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 1276 | rspiocbp = lpfc_sli_get_iocbq(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1277 | if (rspiocbp == NULL) { |
| 1278 | printk(KERN_ERR "%s: out of buffers! Failing " |
| 1279 | "completion.\n", __FUNCTION__); |
| 1280 | break; |
| 1281 | } |
| 1282 | |
| 1283 | lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb, sizeof (IOCB_t)); |
| 1284 | irsp = &rspiocbp->iocb; |
| 1285 | |
| 1286 | if (++pring->rspidx >= portRspMax) |
| 1287 | pring->rspidx = 0; |
| 1288 | |
| 1289 | to_slim = phba->MBslimaddr + (SLIMOFF + (pring->ringno * 2) |
| 1290 | + 1) * 4; |
James.Smart@Emulex.Com | f91b392 | 2005-10-28 20:29:28 -0400 | [diff] [blame] | 1291 | writel(pring->rspidx, to_slim); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1292 | |
| 1293 | if (list_empty(&(pring->iocb_continueq))) { |
| 1294 | list_add(&rspiocbp->list, &(pring->iocb_continueq)); |
| 1295 | } else { |
| 1296 | list_add_tail(&rspiocbp->list, |
| 1297 | &(pring->iocb_continueq)); |
| 1298 | } |
| 1299 | |
| 1300 | pring->iocb_continueq_cnt++; |
| 1301 | if (irsp->ulpLe) { |
| 1302 | /* |
| 1303 | * By default, the driver expects to free all resources |
| 1304 | * associated with this iocb completion. |
| 1305 | */ |
| 1306 | free_saveq = 1; |
| 1307 | saveq = list_get_first(&pring->iocb_continueq, |
| 1308 | struct lpfc_iocbq, list); |
| 1309 | irsp = &(saveq->iocb); |
| 1310 | list_del_init(&pring->iocb_continueq); |
| 1311 | pring->iocb_continueq_cnt = 0; |
| 1312 | |
| 1313 | pring->stats.iocb_rsp++; |
| 1314 | |
| 1315 | if (irsp->ulpStatus) { |
| 1316 | /* Rsp ring <ringno> error: IOCB */ |
| 1317 | lpfc_printf_log(phba, |
| 1318 | KERN_WARNING, |
| 1319 | LOG_SLI, |
| 1320 | "%d:0328 Rsp Ring %d error: IOCB Data: " |
| 1321 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
| 1322 | phba->brd_no, |
| 1323 | pring->ringno, |
| 1324 | irsp->un.ulpWord[0], |
| 1325 | irsp->un.ulpWord[1], |
| 1326 | irsp->un.ulpWord[2], |
| 1327 | irsp->un.ulpWord[3], |
| 1328 | irsp->un.ulpWord[4], |
| 1329 | irsp->un.ulpWord[5], |
| 1330 | *(((uint32_t *) irsp) + 6), |
| 1331 | *(((uint32_t *) irsp) + 7)); |
| 1332 | } |
| 1333 | |
| 1334 | /* |
| 1335 | * Fetch the IOCB command type and call the correct |
| 1336 | * completion routine. Solicited and Unsolicited |
| 1337 | * IOCBs on the ELS ring get freed back to the |
| 1338 | * lpfc_iocb_list by the discovery kernel thread. |
| 1339 | */ |
| 1340 | iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK; |
| 1341 | type = lpfc_sli_iocb_cmd_type(iocb_cmd_type); |
| 1342 | if (type == LPFC_SOL_IOCB) { |
| 1343 | spin_unlock_irqrestore(phba->host->host_lock, |
| 1344 | iflag); |
| 1345 | rc = lpfc_sli_process_sol_iocb(phba, pring, |
| 1346 | saveq); |
| 1347 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 1348 | } else if (type == LPFC_UNSOL_IOCB) { |
| 1349 | spin_unlock_irqrestore(phba->host->host_lock, |
| 1350 | iflag); |
| 1351 | rc = lpfc_sli_process_unsol_iocb(phba, pring, |
| 1352 | saveq); |
| 1353 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 1354 | } else if (type == LPFC_ABORT_IOCB) { |
| 1355 | if ((irsp->ulpCommand != CMD_XRI_ABORTED_CX) && |
| 1356 | ((cmdiocbp = |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1357 | lpfc_sli_iocbq_lookup(phba, pring, |
| 1358 | saveq)))) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1359 | /* Call the specified completion |
| 1360 | routine */ |
| 1361 | if (cmdiocbp->iocb_cmpl) { |
| 1362 | spin_unlock_irqrestore( |
| 1363 | phba->host->host_lock, |
| 1364 | iflag); |
| 1365 | (cmdiocbp->iocb_cmpl) (phba, |
| 1366 | cmdiocbp, saveq); |
| 1367 | spin_lock_irqsave( |
| 1368 | phba->host->host_lock, |
| 1369 | iflag); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1370 | } else |
| 1371 | lpfc_sli_release_iocbq(phba, |
| 1372 | cmdiocbp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1373 | } |
| 1374 | } else if (type == LPFC_UNKNOWN_IOCB) { |
| 1375 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { |
| 1376 | |
| 1377 | char adaptermsg[LPFC_MAX_ADPTMSG]; |
| 1378 | |
| 1379 | memset(adaptermsg, 0, |
| 1380 | LPFC_MAX_ADPTMSG); |
| 1381 | memcpy(&adaptermsg[0], (uint8_t *) irsp, |
| 1382 | MAX_MSG_DATA); |
| 1383 | dev_warn(&((phba->pcidev)->dev), |
| 1384 | "lpfc%d: %s", |
| 1385 | phba->brd_no, adaptermsg); |
| 1386 | } else { |
| 1387 | /* Unknown IOCB command */ |
| 1388 | lpfc_printf_log(phba, |
| 1389 | KERN_ERR, |
| 1390 | LOG_SLI, |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1391 | "%d:0335 Unknown IOCB command " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1392 | "Data: x%x x%x x%x x%x\n", |
| 1393 | phba->brd_no, |
| 1394 | irsp->ulpCommand, |
| 1395 | irsp->ulpStatus, |
| 1396 | irsp->ulpIoTag, |
| 1397 | irsp->ulpContext); |
| 1398 | } |
| 1399 | } |
| 1400 | |
| 1401 | if (free_saveq) { |
| 1402 | if (!list_empty(&saveq->list)) { |
| 1403 | list_for_each_entry_safe(rspiocbp, |
| 1404 | next_iocb, |
| 1405 | &saveq->list, |
| 1406 | list) { |
James Smart | 8f6d98d | 2006-08-01 07:34:00 -0400 | [diff] [blame] | 1407 | list_del(&rspiocbp->list); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1408 | lpfc_sli_release_iocbq(phba, |
| 1409 | rspiocbp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1410 | } |
| 1411 | } |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1412 | lpfc_sli_release_iocbq(phba, saveq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1413 | } |
| 1414 | } |
| 1415 | |
| 1416 | /* |
| 1417 | * If the port response put pointer has not been updated, sync |
| 1418 | * the pgp->rspPutInx in the MAILBOX_tand fetch the new port |
| 1419 | * response put pointer. |
| 1420 | */ |
| 1421 | if (pring->rspidx == portRspPut) { |
| 1422 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1423 | } |
| 1424 | } /* while (pring->rspidx != portRspPut) */ |
| 1425 | |
| 1426 | if ((rspiocbp != 0) && (mask & HA_R0RE_REQ)) { |
| 1427 | /* At least one response entry has been freed */ |
| 1428 | pring->stats.iocb_rsp_full++; |
| 1429 | /* SET RxRE_RSP in Chip Att register */ |
| 1430 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); |
| 1431 | writel(status, phba->CAregaddr); |
| 1432 | readl(phba->CAregaddr); /* flush */ |
| 1433 | } |
| 1434 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { |
| 1435 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; |
| 1436 | pring->stats.iocb_cmd_empty++; |
| 1437 | |
| 1438 | /* Force update of the local copy of cmdGetInx */ |
| 1439 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); |
| 1440 | lpfc_sli_resume_iocb(phba, pring); |
| 1441 | |
| 1442 | if ((pring->lpfc_sli_cmd_available)) |
| 1443 | (pring->lpfc_sli_cmd_available) (phba, pring); |
| 1444 | |
| 1445 | } |
| 1446 | |
| 1447 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 1448 | return rc; |
| 1449 | } |
| 1450 | |
| 1451 | int |
| 1452 | lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
| 1453 | { |
| 1454 | struct lpfc_iocbq *iocb, *next_iocb; |
| 1455 | IOCB_t *icmd = NULL, *cmd = NULL; |
| 1456 | int errcnt; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1457 | |
| 1458 | errcnt = 0; |
| 1459 | |
| 1460 | /* Error everything on txq and txcmplq |
| 1461 | * First do the txq. |
| 1462 | */ |
| 1463 | spin_lock_irq(phba->host->host_lock); |
| 1464 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
| 1465 | list_del_init(&iocb->list); |
| 1466 | if (iocb->iocb_cmpl) { |
| 1467 | icmd = &iocb->iocb; |
| 1468 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 1469 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 1470 | spin_unlock_irq(phba->host->host_lock); |
| 1471 | (iocb->iocb_cmpl) (phba, iocb, iocb); |
| 1472 | spin_lock_irq(phba->host->host_lock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1473 | } else |
| 1474 | lpfc_sli_release_iocbq(phba, iocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1475 | } |
| 1476 | pring->txq_cnt = 0; |
| 1477 | INIT_LIST_HEAD(&(pring->txq)); |
| 1478 | |
| 1479 | /* Next issue ABTS for everything on the txcmplq */ |
| 1480 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
| 1481 | cmd = &iocb->iocb; |
| 1482 | |
| 1483 | /* |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1484 | * Imediate abort of IOCB, deque and call compl |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1485 | */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1486 | |
| 1487 | list_del_init(&iocb->list); |
| 1488 | pring->txcmplq_cnt--; |
| 1489 | |
| 1490 | if (iocb->iocb_cmpl) { |
| 1491 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 1492 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 1493 | spin_unlock_irq(phba->host->host_lock); |
| 1494 | (iocb->iocb_cmpl) (phba, iocb, iocb); |
| 1495 | spin_lock_irq(phba->host->host_lock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1496 | } else |
| 1497 | lpfc_sli_release_iocbq(phba, iocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1498 | } |
| 1499 | |
| 1500 | INIT_LIST_HEAD(&pring->txcmplq); |
| 1501 | pring->txcmplq_cnt = 0; |
| 1502 | spin_unlock_irq(phba->host->host_lock); |
| 1503 | |
| 1504 | return errcnt; |
| 1505 | } |
| 1506 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1507 | int |
| 1508 | lpfc_sli_brdready(struct lpfc_hba * phba, uint32_t mask) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1509 | { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1510 | uint32_t status; |
| 1511 | int i = 0; |
| 1512 | int retval = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1513 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1514 | /* Read the HBA Host Status Register */ |
| 1515 | status = readl(phba->HSregaddr); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1516 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1517 | /* |
| 1518 | * Check status register every 100ms for 5 retries, then every |
| 1519 | * 500ms for 5, then every 2.5 sec for 5, then reset board and |
| 1520 | * every 2.5 sec for 4. |
| 1521 | * Break our of the loop if errors occurred during init. |
| 1522 | */ |
| 1523 | while (((status & mask) != mask) && |
| 1524 | !(status & HS_FFERM) && |
| 1525 | i++ < 20) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1526 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1527 | if (i <= 5) |
| 1528 | msleep(10); |
| 1529 | else if (i <= 10) |
| 1530 | msleep(500); |
| 1531 | else |
| 1532 | msleep(2500); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1533 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1534 | if (i == 15) { |
| 1535 | phba->hba_state = LPFC_STATE_UNKNOWN; /* Do post */ |
| 1536 | lpfc_sli_brdrestart(phba); |
| 1537 | } |
| 1538 | /* Read the HBA Host Status Register */ |
| 1539 | status = readl(phba->HSregaddr); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1540 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1541 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1542 | /* Check to see if any errors occurred during init */ |
| 1543 | if ((status & HS_FFERM) || (i >= 20)) { |
| 1544 | phba->hba_state = LPFC_HBA_ERROR; |
| 1545 | retval = 1; |
| 1546 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1547 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1548 | return retval; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1549 | } |
| 1550 | |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1551 | #define BARRIER_TEST_PATTERN (0xdeadbeef) |
| 1552 | |
| 1553 | void lpfc_reset_barrier(struct lpfc_hba * phba) |
| 1554 | { |
James Smart | 65a29c1 | 2006-07-06 15:50:50 -0400 | [diff] [blame] | 1555 | uint32_t __iomem *resp_buf; |
| 1556 | uint32_t __iomem *mbox_buf; |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1557 | volatile uint32_t mbox; |
| 1558 | uint32_t hc_copy; |
| 1559 | int i; |
| 1560 | uint8_t hdrtype; |
| 1561 | |
| 1562 | pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); |
| 1563 | if (hdrtype != 0x80 || |
| 1564 | (FC_JEDEC_ID(phba->vpd.rev.biuRev) != HELIOS_JEDEC_ID && |
| 1565 | FC_JEDEC_ID(phba->vpd.rev.biuRev) != THOR_JEDEC_ID)) |
| 1566 | return; |
| 1567 | |
| 1568 | /* |
| 1569 | * Tell the other part of the chip to suspend temporarily all |
| 1570 | * its DMA activity. |
| 1571 | */ |
James Smart | 65a29c1 | 2006-07-06 15:50:50 -0400 | [diff] [blame] | 1572 | resp_buf = phba->MBslimaddr; |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1573 | |
| 1574 | /* Disable the error attention */ |
| 1575 | hc_copy = readl(phba->HCregaddr); |
| 1576 | writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); |
| 1577 | readl(phba->HCregaddr); /* flush */ |
| 1578 | |
| 1579 | if (readl(phba->HAregaddr) & HA_ERATT) { |
| 1580 | /* Clear Chip error bit */ |
| 1581 | writel(HA_ERATT, phba->HAregaddr); |
| 1582 | phba->stopped = 1; |
| 1583 | } |
| 1584 | |
| 1585 | mbox = 0; |
| 1586 | ((MAILBOX_t *)&mbox)->mbxCommand = MBX_KILL_BOARD; |
| 1587 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP; |
| 1588 | |
| 1589 | writel(BARRIER_TEST_PATTERN, (resp_buf + 1)); |
James Smart | 65a29c1 | 2006-07-06 15:50:50 -0400 | [diff] [blame] | 1590 | mbox_buf = phba->MBslimaddr; |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1591 | writel(mbox, mbox_buf); |
| 1592 | |
| 1593 | for (i = 0; |
| 1594 | readl(resp_buf + 1) != ~(BARRIER_TEST_PATTERN) && i < 50; i++) |
| 1595 | mdelay(1); |
| 1596 | |
| 1597 | if (readl(resp_buf + 1) != ~(BARRIER_TEST_PATTERN)) { |
| 1598 | if (phba->sli.sli_flag & LPFC_SLI2_ACTIVE || |
| 1599 | phba->stopped) |
| 1600 | goto restore_hc; |
| 1601 | else |
| 1602 | goto clear_errat; |
| 1603 | } |
| 1604 | |
| 1605 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_HOST; |
| 1606 | for (i = 0; readl(resp_buf) != mbox && i < 500; i++) |
| 1607 | mdelay(1); |
| 1608 | |
| 1609 | clear_errat: |
| 1610 | |
| 1611 | while (!(readl(phba->HAregaddr) & HA_ERATT) && ++i < 500) |
| 1612 | mdelay(1); |
| 1613 | |
| 1614 | if (readl(phba->HAregaddr) & HA_ERATT) { |
| 1615 | writel(HA_ERATT, phba->HAregaddr); |
| 1616 | phba->stopped = 1; |
| 1617 | } |
| 1618 | |
| 1619 | restore_hc: |
| 1620 | writel(hc_copy, phba->HCregaddr); |
| 1621 | readl(phba->HCregaddr); /* flush */ |
| 1622 | } |
| 1623 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1624 | int |
| 1625 | lpfc_sli_brdkill(struct lpfc_hba * phba) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1626 | { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1627 | struct lpfc_sli *psli; |
| 1628 | LPFC_MBOXQ_t *pmb; |
| 1629 | uint32_t status; |
| 1630 | uint32_t ha_copy; |
| 1631 | int retval; |
| 1632 | int i = 0; |
| 1633 | |
| 1634 | psli = &phba->sli; |
| 1635 | |
| 1636 | /* Kill HBA */ |
| 1637 | lpfc_printf_log(phba, |
| 1638 | KERN_INFO, |
| 1639 | LOG_SLI, |
| 1640 | "%d:0329 Kill HBA Data: x%x x%x\n", |
| 1641 | phba->brd_no, |
| 1642 | phba->hba_state, |
| 1643 | psli->sli_flag); |
| 1644 | |
| 1645 | if ((pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1646 | GFP_KERNEL)) == 0) |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1647 | return 1; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1648 | |
| 1649 | /* Disable the error attention */ |
| 1650 | spin_lock_irq(phba->host->host_lock); |
| 1651 | status = readl(phba->HCregaddr); |
| 1652 | status &= ~HC_ERINT_ENA; |
| 1653 | writel(status, phba->HCregaddr); |
| 1654 | readl(phba->HCregaddr); /* flush */ |
| 1655 | spin_unlock_irq(phba->host->host_lock); |
| 1656 | |
| 1657 | lpfc_kill_board(phba, pmb); |
| 1658 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 1659 | retval = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
| 1660 | |
| 1661 | if (retval != MBX_SUCCESS) { |
| 1662 | if (retval != MBX_BUSY) |
| 1663 | mempool_free(pmb, phba->mbox_mem_pool); |
| 1664 | return 1; |
| 1665 | } |
| 1666 | |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1667 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
| 1668 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1669 | mempool_free(pmb, phba->mbox_mem_pool); |
| 1670 | |
| 1671 | /* There is no completion for a KILL_BOARD mbox cmd. Check for an error |
| 1672 | * attention every 100ms for 3 seconds. If we don't get ERATT after |
| 1673 | * 3 seconds we still set HBA_ERROR state because the status of the |
| 1674 | * board is now undefined. |
| 1675 | */ |
| 1676 | ha_copy = readl(phba->HAregaddr); |
| 1677 | |
| 1678 | while ((i++ < 30) && !(ha_copy & HA_ERATT)) { |
| 1679 | mdelay(100); |
| 1680 | ha_copy = readl(phba->HAregaddr); |
| 1681 | } |
| 1682 | |
| 1683 | del_timer_sync(&psli->mbox_tmo); |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1684 | if (ha_copy & HA_ERATT) { |
| 1685 | writel(HA_ERATT, phba->HAregaddr); |
| 1686 | phba->stopped = 1; |
| 1687 | } |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1688 | spin_lock_irq(phba->host->host_lock); |
| 1689 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 1690 | spin_unlock_irq(phba->host->host_lock); |
| 1691 | |
| 1692 | psli->mbox_active = NULL; |
| 1693 | lpfc_hba_down_post(phba); |
| 1694 | phba->hba_state = LPFC_HBA_ERROR; |
| 1695 | |
| 1696 | return (ha_copy & HA_ERATT ? 0 : 1); |
| 1697 | } |
| 1698 | |
| 1699 | int |
| 1700 | lpfc_sli_brdreset(struct lpfc_hba * phba) |
| 1701 | { |
| 1702 | struct lpfc_sli *psli; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1703 | struct lpfc_sli_ring *pring; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1704 | uint16_t cfg_value; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1705 | int i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1706 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1707 | psli = &phba->sli; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1708 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1709 | /* Reset HBA */ |
| 1710 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
| 1711 | "%d:0325 Reset HBA Data: x%x x%x\n", phba->brd_no, |
| 1712 | phba->hba_state, psli->sli_flag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1713 | |
| 1714 | /* perform board reset */ |
| 1715 | phba->fc_eventTag = 0; |
| 1716 | phba->fc_myDID = 0; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1717 | phba->fc_prevDID = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1718 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1719 | /* Turn off parity checking and serr during the physical reset */ |
| 1720 | pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value); |
| 1721 | pci_write_config_word(phba->pcidev, PCI_COMMAND, |
| 1722 | (cfg_value & |
| 1723 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); |
| 1724 | |
James Smart | 1c067a4 | 2006-08-01 07:33:52 -0400 | [diff] [blame] | 1725 | psli->sli_flag &= ~(LPFC_SLI2_ACTIVE | LPFC_PROCESS_LA); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1726 | /* Now toggle INITFF bit in the Host Control Register */ |
| 1727 | writel(HC_INITFF, phba->HCregaddr); |
| 1728 | mdelay(1); |
| 1729 | readl(phba->HCregaddr); /* flush */ |
| 1730 | writel(0, phba->HCregaddr); |
| 1731 | readl(phba->HCregaddr); /* flush */ |
| 1732 | |
| 1733 | /* Restore PCI cmd register */ |
| 1734 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1735 | |
| 1736 | /* Initialize relevant SLI info */ |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1737 | for (i = 0; i < psli->num_rings; i++) { |
| 1738 | pring = &psli->ring[i]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1739 | pring->flag = 0; |
| 1740 | pring->rspidx = 0; |
| 1741 | pring->next_cmdidx = 0; |
| 1742 | pring->local_getidx = 0; |
| 1743 | pring->cmdidx = 0; |
| 1744 | pring->missbufcnt = 0; |
| 1745 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1746 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1747 | phba->hba_state = LPFC_WARM_START; |
| 1748 | return 0; |
| 1749 | } |
| 1750 | |
| 1751 | int |
| 1752 | lpfc_sli_brdrestart(struct lpfc_hba * phba) |
| 1753 | { |
| 1754 | MAILBOX_t *mb; |
| 1755 | struct lpfc_sli *psli; |
| 1756 | uint16_t skip_post; |
| 1757 | volatile uint32_t word0; |
| 1758 | void __iomem *to_slim; |
| 1759 | |
| 1760 | spin_lock_irq(phba->host->host_lock); |
| 1761 | |
| 1762 | psli = &phba->sli; |
| 1763 | |
| 1764 | /* Restart HBA */ |
| 1765 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1766 | "%d:0337 Restart HBA Data: x%x x%x\n", phba->brd_no, |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1767 | phba->hba_state, psli->sli_flag); |
| 1768 | |
| 1769 | word0 = 0; |
| 1770 | mb = (MAILBOX_t *) &word0; |
| 1771 | mb->mbxCommand = MBX_RESTART; |
| 1772 | mb->mbxHc = 1; |
| 1773 | |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1774 | lpfc_reset_barrier(phba); |
| 1775 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1776 | to_slim = phba->MBslimaddr; |
| 1777 | writel(*(uint32_t *) mb, to_slim); |
| 1778 | readl(to_slim); /* flush */ |
| 1779 | |
| 1780 | /* Only skip post after fc_ffinit is completed */ |
| 1781 | if (phba->hba_state) { |
| 1782 | skip_post = 1; |
| 1783 | word0 = 1; /* This is really setting up word1 */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1784 | } else { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1785 | skip_post = 0; |
| 1786 | word0 = 0; /* This is really setting up word1 */ |
| 1787 | } |
James Smart | 65a29c1 | 2006-07-06 15:50:50 -0400 | [diff] [blame] | 1788 | to_slim = phba->MBslimaddr + sizeof (uint32_t); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1789 | writel(*(uint32_t *) mb, to_slim); |
| 1790 | readl(to_slim); /* flush */ |
| 1791 | |
| 1792 | lpfc_sli_brdreset(phba); |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1793 | phba->stopped = 0; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1794 | phba->hba_state = LPFC_INIT_START; |
| 1795 | |
| 1796 | spin_unlock_irq(phba->host->host_lock); |
| 1797 | |
James Smart | 64ba881 | 2006-08-02 15:24:34 -0400 | [diff] [blame] | 1798 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); |
| 1799 | psli->stats_start = get_seconds(); |
| 1800 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1801 | if (skip_post) |
| 1802 | mdelay(100); |
| 1803 | else |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1804 | mdelay(2000); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1805 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1806 | lpfc_hba_down_post(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1807 | |
| 1808 | return 0; |
| 1809 | } |
| 1810 | |
| 1811 | static int |
| 1812 | lpfc_sli_chipset_init(struct lpfc_hba *phba) |
| 1813 | { |
| 1814 | uint32_t status, i = 0; |
| 1815 | |
| 1816 | /* Read the HBA Host Status Register */ |
| 1817 | status = readl(phba->HSregaddr); |
| 1818 | |
| 1819 | /* Check status register to see what current state is */ |
| 1820 | i = 0; |
| 1821 | while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) { |
| 1822 | |
| 1823 | /* Check every 100ms for 5 retries, then every 500ms for 5, then |
| 1824 | * every 2.5 sec for 5, then reset board and every 2.5 sec for |
| 1825 | * 4. |
| 1826 | */ |
| 1827 | if (i++ >= 20) { |
| 1828 | /* Adapter failed to init, timeout, status reg |
| 1829 | <status> */ |
| 1830 | lpfc_printf_log(phba, |
| 1831 | KERN_ERR, |
| 1832 | LOG_INIT, |
| 1833 | "%d:0436 Adapter failed to init, " |
| 1834 | "timeout, status reg x%x\n", |
| 1835 | phba->brd_no, |
| 1836 | status); |
| 1837 | phba->hba_state = LPFC_HBA_ERROR; |
| 1838 | return -ETIMEDOUT; |
| 1839 | } |
| 1840 | |
| 1841 | /* Check to see if any errors occurred during init */ |
| 1842 | if (status & HS_FFERM) { |
| 1843 | /* ERROR: During chipset initialization */ |
| 1844 | /* Adapter failed to init, chipset, status reg |
| 1845 | <status> */ |
| 1846 | lpfc_printf_log(phba, |
| 1847 | KERN_ERR, |
| 1848 | LOG_INIT, |
| 1849 | "%d:0437 Adapter failed to init, " |
| 1850 | "chipset, status reg x%x\n", |
| 1851 | phba->brd_no, |
| 1852 | status); |
| 1853 | phba->hba_state = LPFC_HBA_ERROR; |
| 1854 | return -EIO; |
| 1855 | } |
| 1856 | |
| 1857 | if (i <= 5) { |
| 1858 | msleep(10); |
| 1859 | } else if (i <= 10) { |
| 1860 | msleep(500); |
| 1861 | } else { |
| 1862 | msleep(2500); |
| 1863 | } |
| 1864 | |
| 1865 | if (i == 15) { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1866 | phba->hba_state = LPFC_STATE_UNKNOWN; /* Do post */ |
| 1867 | lpfc_sli_brdrestart(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1868 | } |
| 1869 | /* Read the HBA Host Status Register */ |
| 1870 | status = readl(phba->HSregaddr); |
| 1871 | } |
| 1872 | |
| 1873 | /* Check to see if any errors occurred during init */ |
| 1874 | if (status & HS_FFERM) { |
| 1875 | /* ERROR: During chipset initialization */ |
| 1876 | /* Adapter failed to init, chipset, status reg <status> */ |
| 1877 | lpfc_printf_log(phba, |
| 1878 | KERN_ERR, |
| 1879 | LOG_INIT, |
| 1880 | "%d:0438 Adapter failed to init, chipset, " |
| 1881 | "status reg x%x\n", |
| 1882 | phba->brd_no, |
| 1883 | status); |
| 1884 | phba->hba_state = LPFC_HBA_ERROR; |
| 1885 | return -EIO; |
| 1886 | } |
| 1887 | |
| 1888 | /* Clear all interrupt enable conditions */ |
| 1889 | writel(0, phba->HCregaddr); |
| 1890 | readl(phba->HCregaddr); /* flush */ |
| 1891 | |
| 1892 | /* setup host attn register */ |
| 1893 | writel(0xffffffff, phba->HAregaddr); |
| 1894 | readl(phba->HAregaddr); /* flush */ |
| 1895 | return 0; |
| 1896 | } |
| 1897 | |
| 1898 | int |
| 1899 | lpfc_sli_hba_setup(struct lpfc_hba * phba) |
| 1900 | { |
| 1901 | LPFC_MBOXQ_t *pmb; |
| 1902 | uint32_t resetcount = 0, rc = 0, done = 0; |
| 1903 | |
| 1904 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 1905 | if (!pmb) { |
| 1906 | phba->hba_state = LPFC_HBA_ERROR; |
| 1907 | return -ENOMEM; |
| 1908 | } |
| 1909 | |
| 1910 | while (resetcount < 2 && !done) { |
James Smart | 1c067a4 | 2006-08-01 07:33:52 -0400 | [diff] [blame] | 1911 | spin_lock_irq(phba->host->host_lock); |
| 1912 | phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
| 1913 | spin_unlock_irq(phba->host->host_lock); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1914 | phba->hba_state = LPFC_STATE_UNKNOWN; |
| 1915 | lpfc_sli_brdrestart(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1916 | msleep(2500); |
| 1917 | rc = lpfc_sli_chipset_init(phba); |
| 1918 | if (rc) |
| 1919 | break; |
| 1920 | |
James Smart | 1c067a4 | 2006-08-01 07:33:52 -0400 | [diff] [blame] | 1921 | spin_lock_irq(phba->host->host_lock); |
| 1922 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 1923 | spin_unlock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1924 | resetcount++; |
| 1925 | |
| 1926 | /* Call pre CONFIG_PORT mailbox command initialization. A value of 0 |
| 1927 | * means the call was successful. Any other nonzero value is a failure, |
| 1928 | * but if ERESTART is returned, the driver may reset the HBA and try |
| 1929 | * again. |
| 1930 | */ |
| 1931 | rc = lpfc_config_port_prep(phba); |
| 1932 | if (rc == -ERESTART) { |
| 1933 | phba->hba_state = 0; |
| 1934 | continue; |
| 1935 | } else if (rc) { |
| 1936 | break; |
| 1937 | } |
| 1938 | |
| 1939 | phba->hba_state = LPFC_INIT_MBX_CMDS; |
| 1940 | lpfc_config_port(phba, pmb); |
| 1941 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
| 1942 | if (rc == MBX_SUCCESS) |
| 1943 | done = 1; |
| 1944 | else { |
| 1945 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| 1946 | "%d:0442 Adapter failed to init, mbxCmd x%x " |
| 1947 | "CONFIG_PORT, mbxStatus x%x Data: x%x\n", |
| 1948 | phba->brd_no, pmb->mb.mbxCommand, |
| 1949 | pmb->mb.mbxStatus, 0); |
| 1950 | phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE; |
| 1951 | } |
| 1952 | } |
| 1953 | if (!done) |
| 1954 | goto lpfc_sli_hba_setup_error; |
| 1955 | |
| 1956 | rc = lpfc_sli_ring_map(phba, pmb); |
| 1957 | |
| 1958 | if (rc) |
| 1959 | goto lpfc_sli_hba_setup_error; |
| 1960 | |
| 1961 | phba->sli.sli_flag |= LPFC_PROCESS_LA; |
| 1962 | |
| 1963 | rc = lpfc_config_port_post(phba); |
| 1964 | if (rc) |
| 1965 | goto lpfc_sli_hba_setup_error; |
| 1966 | |
| 1967 | goto lpfc_sli_hba_setup_exit; |
| 1968 | lpfc_sli_hba_setup_error: |
| 1969 | phba->hba_state = LPFC_HBA_ERROR; |
| 1970 | lpfc_sli_hba_setup_exit: |
| 1971 | mempool_free(pmb, phba->mbox_mem_pool); |
| 1972 | return rc; |
| 1973 | } |
| 1974 | |
| 1975 | static void |
| 1976 | lpfc_mbox_abort(struct lpfc_hba * phba) |
| 1977 | { |
| 1978 | LPFC_MBOXQ_t *pmbox; |
| 1979 | MAILBOX_t *mb; |
| 1980 | |
| 1981 | if (phba->sli.mbox_active) { |
| 1982 | del_timer_sync(&phba->sli.mbox_tmo); |
| 1983 | phba->work_hba_events &= ~WORKER_MBOX_TMO; |
| 1984 | pmbox = phba->sli.mbox_active; |
| 1985 | mb = &pmbox->mb; |
| 1986 | phba->sli.mbox_active = NULL; |
| 1987 | if (pmbox->mbox_cmpl) { |
| 1988 | mb->mbxStatus = MBX_NOT_FINISHED; |
| 1989 | (pmbox->mbox_cmpl) (phba, pmbox); |
| 1990 | } |
| 1991 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 1992 | } |
| 1993 | |
| 1994 | /* Abort all the non active mailbox commands. */ |
| 1995 | spin_lock_irq(phba->host->host_lock); |
| 1996 | pmbox = lpfc_mbox_get(phba); |
| 1997 | while (pmbox) { |
| 1998 | mb = &pmbox->mb; |
| 1999 | if (pmbox->mbox_cmpl) { |
| 2000 | mb->mbxStatus = MBX_NOT_FINISHED; |
| 2001 | spin_unlock_irq(phba->host->host_lock); |
| 2002 | (pmbox->mbox_cmpl) (phba, pmbox); |
| 2003 | spin_lock_irq(phba->host->host_lock); |
| 2004 | } |
| 2005 | pmbox = lpfc_mbox_get(phba); |
| 2006 | } |
| 2007 | spin_unlock_irq(phba->host->host_lock); |
| 2008 | return; |
| 2009 | } |
| 2010 | |
| 2011 | /*! lpfc_mbox_timeout |
| 2012 | * |
| 2013 | * \pre |
| 2014 | * \post |
| 2015 | * \param hba Pointer to per struct lpfc_hba structure |
| 2016 | * \param l1 Pointer to the driver's mailbox queue. |
| 2017 | * \return |
| 2018 | * void |
| 2019 | * |
| 2020 | * \b Description: |
| 2021 | * |
| 2022 | * This routine handles mailbox timeout events at timer interrupt context. |
| 2023 | */ |
| 2024 | void |
| 2025 | lpfc_mbox_timeout(unsigned long ptr) |
| 2026 | { |
| 2027 | struct lpfc_hba *phba; |
| 2028 | unsigned long iflag; |
| 2029 | |
| 2030 | phba = (struct lpfc_hba *)ptr; |
| 2031 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 2032 | if (!(phba->work_hba_events & WORKER_MBOX_TMO)) { |
| 2033 | phba->work_hba_events |= WORKER_MBOX_TMO; |
| 2034 | if (phba->work_wait) |
| 2035 | wake_up(phba->work_wait); |
| 2036 | } |
| 2037 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 2038 | } |
| 2039 | |
| 2040 | void |
| 2041 | lpfc_mbox_timeout_handler(struct lpfc_hba *phba) |
| 2042 | { |
| 2043 | LPFC_MBOXQ_t *pmbox; |
| 2044 | MAILBOX_t *mb; |
| 2045 | |
| 2046 | spin_lock_irq(phba->host->host_lock); |
| 2047 | if (!(phba->work_hba_events & WORKER_MBOX_TMO)) { |
| 2048 | spin_unlock_irq(phba->host->host_lock); |
| 2049 | return; |
| 2050 | } |
| 2051 | |
James.Smart@Emulex.Com | db468d1 | 2005-06-25 10:34:08 -0400 | [diff] [blame] | 2052 | phba->work_hba_events &= ~WORKER_MBOX_TMO; |
| 2053 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2054 | pmbox = phba->sli.mbox_active; |
| 2055 | mb = &pmbox->mb; |
| 2056 | |
| 2057 | /* Mbox cmd <mbxCommand> timeout */ |
| 2058 | lpfc_printf_log(phba, |
| 2059 | KERN_ERR, |
| 2060 | LOG_MBOX | LOG_SLI, |
| 2061 | "%d:0310 Mailbox command x%x timeout Data: x%x x%x x%p\n", |
| 2062 | phba->brd_no, |
| 2063 | mb->mbxCommand, |
| 2064 | phba->hba_state, |
| 2065 | phba->sli.sli_flag, |
| 2066 | phba->sli.mbox_active); |
| 2067 | |
James.Smart@Emulex.Com | db468d1 | 2005-06-25 10:34:08 -0400 | [diff] [blame] | 2068 | phba->sli.mbox_active = NULL; |
| 2069 | if (pmbox->mbox_cmpl) { |
| 2070 | mb->mbxStatus = MBX_NOT_FINISHED; |
| 2071 | spin_unlock_irq(phba->host->host_lock); |
| 2072 | (pmbox->mbox_cmpl) (phba, pmbox); |
| 2073 | spin_lock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2074 | } |
James.Smart@Emulex.Com | db468d1 | 2005-06-25 10:34:08 -0400 | [diff] [blame] | 2075 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2076 | |
| 2077 | spin_unlock_irq(phba->host->host_lock); |
| 2078 | lpfc_mbox_abort(phba); |
| 2079 | return; |
| 2080 | } |
| 2081 | |
| 2082 | int |
| 2083 | lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag) |
| 2084 | { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2085 | MAILBOX_t *mb; |
| 2086 | struct lpfc_sli *psli; |
| 2087 | uint32_t status, evtctr; |
| 2088 | uint32_t ha_copy; |
| 2089 | int i; |
| 2090 | unsigned long drvr_flag = 0; |
| 2091 | volatile uint32_t word0, ldata; |
| 2092 | void __iomem *to_slim; |
| 2093 | |
| 2094 | psli = &phba->sli; |
| 2095 | |
| 2096 | spin_lock_irqsave(phba->host->host_lock, drvr_flag); |
| 2097 | |
| 2098 | |
| 2099 | mb = &pmbox->mb; |
| 2100 | status = MBX_SUCCESS; |
| 2101 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2102 | if (phba->hba_state == LPFC_HBA_ERROR) { |
| 2103 | spin_unlock_irqrestore(phba->host->host_lock, drvr_flag); |
| 2104 | |
| 2105 | /* Mbox command <mbxCommand> cannot issue */ |
| 2106 | LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) |
| 2107 | return (MBX_NOT_FINISHED); |
| 2108 | } |
| 2109 | |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 2110 | if (mb->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT && |
| 2111 | !(readl(phba->HCregaddr) & HC_MBINT_ENA)) { |
| 2112 | spin_unlock_irqrestore(phba->host->host_lock, drvr_flag); |
| 2113 | LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) |
| 2114 | return (MBX_NOT_FINISHED); |
| 2115 | } |
| 2116 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2117 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { |
| 2118 | /* Polling for a mbox command when another one is already active |
| 2119 | * is not allowed in SLI. Also, the driver must have established |
| 2120 | * SLI2 mode to queue and process multiple mbox commands. |
| 2121 | */ |
| 2122 | |
| 2123 | if (flag & MBX_POLL) { |
| 2124 | spin_unlock_irqrestore(phba->host->host_lock, |
| 2125 | drvr_flag); |
| 2126 | |
| 2127 | /* Mbox command <mbxCommand> cannot issue */ |
| 2128 | LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) |
| 2129 | return (MBX_NOT_FINISHED); |
| 2130 | } |
| 2131 | |
| 2132 | if (!(psli->sli_flag & LPFC_SLI2_ACTIVE)) { |
| 2133 | spin_unlock_irqrestore(phba->host->host_lock, |
| 2134 | drvr_flag); |
| 2135 | /* Mbox command <mbxCommand> cannot issue */ |
| 2136 | LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) |
| 2137 | return (MBX_NOT_FINISHED); |
| 2138 | } |
| 2139 | |
| 2140 | /* Handle STOP IOCB processing flag. This is only meaningful |
| 2141 | * if we are not polling for mbox completion. |
| 2142 | */ |
| 2143 | if (flag & MBX_STOP_IOCB) { |
| 2144 | flag &= ~MBX_STOP_IOCB; |
| 2145 | /* Now flag each ring */ |
| 2146 | for (i = 0; i < psli->num_rings; i++) { |
| 2147 | /* If the ring is active, flag it */ |
| 2148 | if (psli->ring[i].cmdringaddr) { |
| 2149 | psli->ring[i].flag |= |
| 2150 | LPFC_STOP_IOCB_MBX; |
| 2151 | } |
| 2152 | } |
| 2153 | } |
| 2154 | |
| 2155 | /* Another mailbox command is still being processed, queue this |
| 2156 | * command to be processed later. |
| 2157 | */ |
| 2158 | lpfc_mbox_put(phba, pmbox); |
| 2159 | |
| 2160 | /* Mbox cmd issue - BUSY */ |
| 2161 | lpfc_printf_log(phba, |
| 2162 | KERN_INFO, |
| 2163 | LOG_MBOX | LOG_SLI, |
| 2164 | "%d:0308 Mbox cmd issue - BUSY Data: x%x x%x x%x x%x\n", |
| 2165 | phba->brd_no, |
| 2166 | mb->mbxCommand, |
| 2167 | phba->hba_state, |
| 2168 | psli->sli_flag, |
| 2169 | flag); |
| 2170 | |
| 2171 | psli->slistat.mbox_busy++; |
| 2172 | spin_unlock_irqrestore(phba->host->host_lock, |
| 2173 | drvr_flag); |
| 2174 | |
| 2175 | return (MBX_BUSY); |
| 2176 | } |
| 2177 | |
| 2178 | /* Handle STOP IOCB processing flag. This is only meaningful |
| 2179 | * if we are not polling for mbox completion. |
| 2180 | */ |
| 2181 | if (flag & MBX_STOP_IOCB) { |
| 2182 | flag &= ~MBX_STOP_IOCB; |
| 2183 | if (flag == MBX_NOWAIT) { |
| 2184 | /* Now flag each ring */ |
| 2185 | for (i = 0; i < psli->num_rings; i++) { |
| 2186 | /* If the ring is active, flag it */ |
| 2187 | if (psli->ring[i].cmdringaddr) { |
| 2188 | psli->ring[i].flag |= |
| 2189 | LPFC_STOP_IOCB_MBX; |
| 2190 | } |
| 2191 | } |
| 2192 | } |
| 2193 | } |
| 2194 | |
| 2195 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
| 2196 | |
| 2197 | /* If we are not polling, we MUST be in SLI2 mode */ |
| 2198 | if (flag != MBX_POLL) { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2199 | if (!(psli->sli_flag & LPFC_SLI2_ACTIVE) && |
| 2200 | (mb->mbxCommand != MBX_KILL_BOARD)) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2201 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 2202 | spin_unlock_irqrestore(phba->host->host_lock, |
| 2203 | drvr_flag); |
| 2204 | /* Mbox command <mbxCommand> cannot issue */ |
| 2205 | LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag); |
| 2206 | return (MBX_NOT_FINISHED); |
| 2207 | } |
| 2208 | /* timeout active mbox command */ |
James Smart | a309a6b | 2006-08-01 07:33:43 -0400 | [diff] [blame] | 2209 | mod_timer(&psli->mbox_tmo, (jiffies + |
| 2210 | (HZ * lpfc_mbox_tmo_val(phba, mb->mbxCommand)))); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2211 | } |
| 2212 | |
| 2213 | /* Mailbox cmd <cmd> issue */ |
| 2214 | lpfc_printf_log(phba, |
| 2215 | KERN_INFO, |
| 2216 | LOG_MBOX | LOG_SLI, |
| 2217 | "%d:0309 Mailbox cmd x%x issue Data: x%x x%x x%x\n", |
| 2218 | phba->brd_no, |
| 2219 | mb->mbxCommand, |
| 2220 | phba->hba_state, |
| 2221 | psli->sli_flag, |
| 2222 | flag); |
| 2223 | |
| 2224 | psli->slistat.mbox_cmd++; |
| 2225 | evtctr = psli->slistat.mbox_event; |
| 2226 | |
| 2227 | /* next set own bit for the adapter and copy over command word */ |
| 2228 | mb->mbxOwner = OWN_CHIP; |
| 2229 | |
| 2230 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2231 | /* First copy command data to host SLIM area */ |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 2232 | lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, MAILBOX_CMD_SIZE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2233 | } else { |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 2234 | if (mb->mbxCommand == MBX_CONFIG_PORT) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2235 | /* copy command data into host mbox for cmpl */ |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 2236 | lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, |
| 2237 | MAILBOX_CMD_SIZE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2238 | } |
| 2239 | |
| 2240 | /* First copy mbox command data to HBA SLIM, skip past first |
| 2241 | word */ |
| 2242 | to_slim = phba->MBslimaddr + sizeof (uint32_t); |
| 2243 | lpfc_memcpy_to_slim(to_slim, &mb->un.varWords[0], |
| 2244 | MAILBOX_CMD_SIZE - sizeof (uint32_t)); |
| 2245 | |
| 2246 | /* Next copy over first word, with mbxOwner set */ |
| 2247 | ldata = *((volatile uint32_t *)mb); |
| 2248 | to_slim = phba->MBslimaddr; |
| 2249 | writel(ldata, to_slim); |
| 2250 | readl(to_slim); /* flush */ |
| 2251 | |
| 2252 | if (mb->mbxCommand == MBX_CONFIG_PORT) { |
| 2253 | /* switch over to host mailbox */ |
| 2254 | psli->sli_flag |= LPFC_SLI2_ACTIVE; |
| 2255 | } |
| 2256 | } |
| 2257 | |
| 2258 | wmb(); |
| 2259 | /* interrupt board to doit right away */ |
| 2260 | writel(CA_MBATT, phba->CAregaddr); |
| 2261 | readl(phba->CAregaddr); /* flush */ |
| 2262 | |
| 2263 | switch (flag) { |
| 2264 | case MBX_NOWAIT: |
| 2265 | /* Don't wait for it to finish, just return */ |
| 2266 | psli->mbox_active = pmbox; |
| 2267 | break; |
| 2268 | |
| 2269 | case MBX_POLL: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2270 | psli->mbox_active = NULL; |
| 2271 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { |
| 2272 | /* First read mbox status word */ |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 2273 | word0 = *((volatile uint32_t *)&phba->slim2p->mbx); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2274 | word0 = le32_to_cpu(word0); |
| 2275 | } else { |
| 2276 | /* First read mbox status word */ |
| 2277 | word0 = readl(phba->MBslimaddr); |
| 2278 | } |
| 2279 | |
| 2280 | /* Read the HBA Host Attention Register */ |
| 2281 | ha_copy = readl(phba->HAregaddr); |
| 2282 | |
James Smart | a309a6b | 2006-08-01 07:33:43 -0400 | [diff] [blame] | 2283 | i = lpfc_mbox_tmo_val(phba, mb->mbxCommand); |
| 2284 | i *= 1000; /* Convert to ms */ |
| 2285 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2286 | /* Wait for command to complete */ |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2287 | while (((word0 & OWN_CHIP) == OWN_CHIP) || |
| 2288 | (!(ha_copy & HA_MBATT) && |
| 2289 | (phba->hba_state > LPFC_WARM_START))) { |
James Smart | a309a6b | 2006-08-01 07:33:43 -0400 | [diff] [blame] | 2290 | if (i-- <= 0) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2291 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 2292 | spin_unlock_irqrestore(phba->host->host_lock, |
| 2293 | drvr_flag); |
| 2294 | return (MBX_NOT_FINISHED); |
| 2295 | } |
| 2296 | |
| 2297 | /* Check if we took a mbox interrupt while we were |
| 2298 | polling */ |
| 2299 | if (((word0 & OWN_CHIP) != OWN_CHIP) |
| 2300 | && (evtctr != psli->slistat.mbox_event)) |
| 2301 | break; |
| 2302 | |
| 2303 | spin_unlock_irqrestore(phba->host->host_lock, |
| 2304 | drvr_flag); |
| 2305 | |
| 2306 | /* Can be in interrupt context, do not sleep */ |
| 2307 | /* (or might be called with interrupts disabled) */ |
James Smart | a309a6b | 2006-08-01 07:33:43 -0400 | [diff] [blame] | 2308 | mdelay(1); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2309 | |
| 2310 | spin_lock_irqsave(phba->host->host_lock, drvr_flag); |
| 2311 | |
| 2312 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { |
| 2313 | /* First copy command data */ |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 2314 | word0 = *((volatile uint32_t *) |
| 2315 | &phba->slim2p->mbx); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2316 | word0 = le32_to_cpu(word0); |
| 2317 | if (mb->mbxCommand == MBX_CONFIG_PORT) { |
| 2318 | MAILBOX_t *slimmb; |
| 2319 | volatile uint32_t slimword0; |
| 2320 | /* Check real SLIM for any errors */ |
| 2321 | slimword0 = readl(phba->MBslimaddr); |
| 2322 | slimmb = (MAILBOX_t *) & slimword0; |
| 2323 | if (((slimword0 & OWN_CHIP) != OWN_CHIP) |
| 2324 | && slimmb->mbxStatus) { |
| 2325 | psli->sli_flag &= |
| 2326 | ~LPFC_SLI2_ACTIVE; |
| 2327 | word0 = slimword0; |
| 2328 | } |
| 2329 | } |
| 2330 | } else { |
| 2331 | /* First copy command data */ |
| 2332 | word0 = readl(phba->MBslimaddr); |
| 2333 | } |
| 2334 | /* Read the HBA Host Attention Register */ |
| 2335 | ha_copy = readl(phba->HAregaddr); |
| 2336 | } |
| 2337 | |
| 2338 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2339 | /* copy results back to user */ |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 2340 | lpfc_sli_pcimem_bcopy(&phba->slim2p->mbx, mb, |
| 2341 | MAILBOX_CMD_SIZE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2342 | } else { |
| 2343 | /* First copy command data */ |
| 2344 | lpfc_memcpy_from_slim(mb, phba->MBslimaddr, |
| 2345 | MAILBOX_CMD_SIZE); |
| 2346 | if ((mb->mbxCommand == MBX_DUMP_MEMORY) && |
| 2347 | pmbox->context2) { |
| 2348 | lpfc_memcpy_from_slim((void *)pmbox->context2, |
| 2349 | phba->MBslimaddr + DMP_RSP_OFFSET, |
| 2350 | mb->un.varDmp.word_cnt); |
| 2351 | } |
| 2352 | } |
| 2353 | |
| 2354 | writel(HA_MBATT, phba->HAregaddr); |
| 2355 | readl(phba->HAregaddr); /* flush */ |
| 2356 | |
| 2357 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 2358 | status = mb->mbxStatus; |
| 2359 | } |
| 2360 | |
| 2361 | spin_unlock_irqrestore(phba->host->host_lock, drvr_flag); |
| 2362 | return (status); |
| 2363 | } |
| 2364 | |
| 2365 | static int |
| 2366 | lpfc_sli_ringtx_put(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, |
| 2367 | struct lpfc_iocbq * piocb) |
| 2368 | { |
| 2369 | /* Insert the caller's iocb in the txq tail for later processing. */ |
| 2370 | list_add_tail(&piocb->list, &pring->txq); |
| 2371 | pring->txq_cnt++; |
| 2372 | return (0); |
| 2373 | } |
| 2374 | |
| 2375 | static struct lpfc_iocbq * |
| 2376 | lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 2377 | struct lpfc_iocbq ** piocb) |
| 2378 | { |
| 2379 | struct lpfc_iocbq * nextiocb; |
| 2380 | |
| 2381 | nextiocb = lpfc_sli_ringtx_get(phba, pring); |
| 2382 | if (!nextiocb) { |
| 2383 | nextiocb = *piocb; |
| 2384 | *piocb = NULL; |
| 2385 | } |
| 2386 | |
| 2387 | return nextiocb; |
| 2388 | } |
| 2389 | |
| 2390 | int |
| 2391 | lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 2392 | struct lpfc_iocbq *piocb, uint32_t flag) |
| 2393 | { |
| 2394 | struct lpfc_iocbq *nextiocb; |
| 2395 | IOCB_t *iocb; |
| 2396 | |
| 2397 | /* |
| 2398 | * We should never get an IOCB if we are in a < LINK_DOWN state |
| 2399 | */ |
| 2400 | if (unlikely(phba->hba_state < LPFC_LINK_DOWN)) |
| 2401 | return IOCB_ERROR; |
| 2402 | |
| 2403 | /* |
| 2404 | * Check to see if we are blocking IOCB processing because of a |
| 2405 | * outstanding mbox command. |
| 2406 | */ |
| 2407 | if (unlikely(pring->flag & LPFC_STOP_IOCB_MBX)) |
| 2408 | goto iocb_busy; |
| 2409 | |
| 2410 | if (unlikely(phba->hba_state == LPFC_LINK_DOWN)) { |
| 2411 | /* |
| 2412 | * Only CREATE_XRI, CLOSE_XRI, ABORT_XRI, and QUE_RING_BUF |
| 2413 | * can be issued if the link is not up. |
| 2414 | */ |
| 2415 | switch (piocb->iocb.ulpCommand) { |
| 2416 | case CMD_QUE_RING_BUF_CN: |
| 2417 | case CMD_QUE_RING_BUF64_CN: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2418 | /* |
| 2419 | * For IOCBs, like QUE_RING_BUF, that have no rsp ring |
| 2420 | * completion, iocb_cmpl MUST be 0. |
| 2421 | */ |
| 2422 | if (piocb->iocb_cmpl) |
| 2423 | piocb->iocb_cmpl = NULL; |
| 2424 | /*FALLTHROUGH*/ |
| 2425 | case CMD_CREATE_XRI_CR: |
| 2426 | break; |
| 2427 | default: |
| 2428 | goto iocb_busy; |
| 2429 | } |
| 2430 | |
| 2431 | /* |
| 2432 | * For FCP commands, we must be in a state where we can process link |
| 2433 | * attention events. |
| 2434 | */ |
| 2435 | } else if (unlikely(pring->ringno == phba->sli.fcp_ring && |
| 2436 | !(phba->sli.sli_flag & LPFC_PROCESS_LA))) |
| 2437 | goto iocb_busy; |
| 2438 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2439 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && |
| 2440 | (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb))) |
| 2441 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); |
| 2442 | |
| 2443 | if (iocb) |
| 2444 | lpfc_sli_update_ring(phba, pring); |
| 2445 | else |
| 2446 | lpfc_sli_update_full_ring(phba, pring); |
| 2447 | |
| 2448 | if (!piocb) |
| 2449 | return IOCB_SUCCESS; |
| 2450 | |
| 2451 | goto out_busy; |
| 2452 | |
| 2453 | iocb_busy: |
| 2454 | pring->stats.iocb_cmd_delay++; |
| 2455 | |
| 2456 | out_busy: |
| 2457 | |
| 2458 | if (!(flag & SLI_IOCB_RET_IOCB)) { |
| 2459 | lpfc_sli_ringtx_put(phba, pring, piocb); |
| 2460 | return IOCB_SUCCESS; |
| 2461 | } |
| 2462 | |
| 2463 | return IOCB_BUSY; |
| 2464 | } |
| 2465 | |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 2466 | static int |
| 2467 | lpfc_extra_ring_setup( struct lpfc_hba *phba) |
| 2468 | { |
| 2469 | struct lpfc_sli *psli; |
| 2470 | struct lpfc_sli_ring *pring; |
| 2471 | |
| 2472 | psli = &phba->sli; |
| 2473 | |
| 2474 | /* Adjust cmd/rsp ring iocb entries more evenly */ |
| 2475 | pring = &psli->ring[psli->fcp_ring]; |
| 2476 | pring->numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
| 2477 | pring->numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES; |
| 2478 | pring->numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES; |
| 2479 | pring->numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES; |
| 2480 | |
| 2481 | pring = &psli->ring[1]; |
| 2482 | pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
| 2483 | pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; |
| 2484 | pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; |
| 2485 | pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; |
| 2486 | |
| 2487 | /* Setup default profile for this ring */ |
| 2488 | pring->iotag_max = 4096; |
| 2489 | pring->num_mask = 1; |
| 2490 | pring->prt[0].profile = 0; /* Mask 0 */ |
| 2491 | pring->prt[0].rctl = FC_UNSOL_DATA; |
| 2492 | pring->prt[0].type = 5; |
| 2493 | pring->prt[0].lpfc_sli_rcv_unsol_event = NULL; |
| 2494 | return 0; |
| 2495 | } |
| 2496 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2497 | int |
| 2498 | lpfc_sli_setup(struct lpfc_hba *phba) |
| 2499 | { |
| 2500 | int i, totiocb = 0; |
| 2501 | struct lpfc_sli *psli = &phba->sli; |
| 2502 | struct lpfc_sli_ring *pring; |
| 2503 | |
| 2504 | psli->num_rings = MAX_CONFIGURED_RINGS; |
| 2505 | psli->sli_flag = 0; |
| 2506 | psli->fcp_ring = LPFC_FCP_RING; |
| 2507 | psli->next_ring = LPFC_FCP_NEXT_RING; |
| 2508 | psli->ip_ring = LPFC_IP_RING; |
| 2509 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2510 | psli->iocbq_lookup = NULL; |
| 2511 | psli->iocbq_lookup_len = 0; |
| 2512 | psli->last_iotag = 0; |
| 2513 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2514 | for (i = 0; i < psli->num_rings; i++) { |
| 2515 | pring = &psli->ring[i]; |
| 2516 | switch (i) { |
| 2517 | case LPFC_FCP_RING: /* ring 0 - FCP */ |
| 2518 | /* numCiocb and numRiocb are used in config_port */ |
| 2519 | pring->numCiocb = SLI2_IOCB_CMD_R0_ENTRIES; |
| 2520 | pring->numRiocb = SLI2_IOCB_RSP_R0_ENTRIES; |
| 2521 | pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
| 2522 | pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; |
| 2523 | pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; |
| 2524 | pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; |
| 2525 | pring->iotag_ctr = 0; |
| 2526 | pring->iotag_max = |
| 2527 | (phba->cfg_hba_queue_depth * 2); |
| 2528 | pring->fast_iotag = pring->iotag_max; |
| 2529 | pring->num_mask = 0; |
| 2530 | break; |
| 2531 | case LPFC_IP_RING: /* ring 1 - IP */ |
| 2532 | /* numCiocb and numRiocb are used in config_port */ |
| 2533 | pring->numCiocb = SLI2_IOCB_CMD_R1_ENTRIES; |
| 2534 | pring->numRiocb = SLI2_IOCB_RSP_R1_ENTRIES; |
| 2535 | pring->num_mask = 0; |
| 2536 | break; |
| 2537 | case LPFC_ELS_RING: /* ring 2 - ELS / CT */ |
| 2538 | /* numCiocb and numRiocb are used in config_port */ |
| 2539 | pring->numCiocb = SLI2_IOCB_CMD_R2_ENTRIES; |
| 2540 | pring->numRiocb = SLI2_IOCB_RSP_R2_ENTRIES; |
| 2541 | pring->fast_iotag = 0; |
| 2542 | pring->iotag_ctr = 0; |
| 2543 | pring->iotag_max = 4096; |
| 2544 | pring->num_mask = 4; |
| 2545 | pring->prt[0].profile = 0; /* Mask 0 */ |
| 2546 | pring->prt[0].rctl = FC_ELS_REQ; |
| 2547 | pring->prt[0].type = FC_ELS_DATA; |
| 2548 | pring->prt[0].lpfc_sli_rcv_unsol_event = |
| 2549 | lpfc_els_unsol_event; |
| 2550 | pring->prt[1].profile = 0; /* Mask 1 */ |
| 2551 | pring->prt[1].rctl = FC_ELS_RSP; |
| 2552 | pring->prt[1].type = FC_ELS_DATA; |
| 2553 | pring->prt[1].lpfc_sli_rcv_unsol_event = |
| 2554 | lpfc_els_unsol_event; |
| 2555 | pring->prt[2].profile = 0; /* Mask 2 */ |
| 2556 | /* NameServer Inquiry */ |
| 2557 | pring->prt[2].rctl = FC_UNSOL_CTL; |
| 2558 | /* NameServer */ |
| 2559 | pring->prt[2].type = FC_COMMON_TRANSPORT_ULP; |
| 2560 | pring->prt[2].lpfc_sli_rcv_unsol_event = |
| 2561 | lpfc_ct_unsol_event; |
| 2562 | pring->prt[3].profile = 0; /* Mask 3 */ |
| 2563 | /* NameServer response */ |
| 2564 | pring->prt[3].rctl = FC_SOL_CTL; |
| 2565 | /* NameServer */ |
| 2566 | pring->prt[3].type = FC_COMMON_TRANSPORT_ULP; |
| 2567 | pring->prt[3].lpfc_sli_rcv_unsol_event = |
| 2568 | lpfc_ct_unsol_event; |
| 2569 | break; |
| 2570 | } |
| 2571 | totiocb += (pring->numCiocb + pring->numRiocb); |
| 2572 | } |
| 2573 | if (totiocb > MAX_SLI2_IOCB) { |
| 2574 | /* Too many cmd / rsp ring entries in SLI2 SLIM */ |
| 2575 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| 2576 | "%d:0462 Too many cmd / rsp ring entries in " |
| 2577 | "SLI2 SLIM Data: x%x x%x\n", |
| 2578 | phba->brd_no, totiocb, MAX_SLI2_IOCB); |
| 2579 | } |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 2580 | if (phba->cfg_multi_ring_support == 2) |
| 2581 | lpfc_extra_ring_setup(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2582 | |
| 2583 | return 0; |
| 2584 | } |
| 2585 | |
| 2586 | int |
| 2587 | lpfc_sli_queue_setup(struct lpfc_hba * phba) |
| 2588 | { |
| 2589 | struct lpfc_sli *psli; |
| 2590 | struct lpfc_sli_ring *pring; |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2591 | int i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2592 | |
| 2593 | psli = &phba->sli; |
| 2594 | spin_lock_irq(phba->host->host_lock); |
| 2595 | INIT_LIST_HEAD(&psli->mboxq); |
| 2596 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
| 2597 | for (i = 0; i < psli->num_rings; i++) { |
| 2598 | pring = &psli->ring[i]; |
| 2599 | pring->ringno = i; |
| 2600 | pring->next_cmdidx = 0; |
| 2601 | pring->local_getidx = 0; |
| 2602 | pring->cmdidx = 0; |
| 2603 | INIT_LIST_HEAD(&pring->txq); |
| 2604 | INIT_LIST_HEAD(&pring->txcmplq); |
| 2605 | INIT_LIST_HEAD(&pring->iocb_continueq); |
| 2606 | INIT_LIST_HEAD(&pring->postbufq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2607 | } |
| 2608 | spin_unlock_irq(phba->host->host_lock); |
| 2609 | return (1); |
| 2610 | } |
| 2611 | |
| 2612 | int |
| 2613 | lpfc_sli_hba_down(struct lpfc_hba * phba) |
| 2614 | { |
| 2615 | struct lpfc_sli *psli; |
| 2616 | struct lpfc_sli_ring *pring; |
| 2617 | LPFC_MBOXQ_t *pmb; |
| 2618 | struct lpfc_iocbq *iocb, *next_iocb; |
| 2619 | IOCB_t *icmd = NULL; |
| 2620 | int i; |
| 2621 | unsigned long flags = 0; |
| 2622 | |
| 2623 | psli = &phba->sli; |
| 2624 | lpfc_hba_down_prep(phba); |
| 2625 | |
| 2626 | spin_lock_irqsave(phba->host->host_lock, flags); |
| 2627 | |
| 2628 | for (i = 0; i < psli->num_rings; i++) { |
| 2629 | pring = &psli->ring[i]; |
| 2630 | pring->flag |= LPFC_DEFERRED_RING_EVENT; |
| 2631 | |
| 2632 | /* |
| 2633 | * Error everything on the txq since these iocbs have not been |
| 2634 | * given to the FW yet. |
| 2635 | */ |
| 2636 | pring->txq_cnt = 0; |
| 2637 | |
| 2638 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
| 2639 | list_del_init(&iocb->list); |
| 2640 | if (iocb->iocb_cmpl) { |
| 2641 | icmd = &iocb->iocb; |
| 2642 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 2643 | icmd->un.ulpWord[4] = IOERR_SLI_DOWN; |
| 2644 | spin_unlock_irqrestore(phba->host->host_lock, |
| 2645 | flags); |
| 2646 | (iocb->iocb_cmpl) (phba, iocb, iocb); |
| 2647 | spin_lock_irqsave(phba->host->host_lock, flags); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2648 | } else |
| 2649 | lpfc_sli_release_iocbq(phba, iocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2650 | } |
| 2651 | |
| 2652 | INIT_LIST_HEAD(&(pring->txq)); |
| 2653 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2654 | } |
| 2655 | |
| 2656 | spin_unlock_irqrestore(phba->host->host_lock, flags); |
| 2657 | |
| 2658 | /* Return any active mbox cmds */ |
| 2659 | del_timer_sync(&psli->mbox_tmo); |
| 2660 | spin_lock_irqsave(phba->host->host_lock, flags); |
| 2661 | phba->work_hba_events &= ~WORKER_MBOX_TMO; |
| 2662 | if (psli->mbox_active) { |
| 2663 | pmb = psli->mbox_active; |
| 2664 | pmb->mb.mbxStatus = MBX_NOT_FINISHED; |
| 2665 | if (pmb->mbox_cmpl) { |
| 2666 | spin_unlock_irqrestore(phba->host->host_lock, flags); |
| 2667 | pmb->mbox_cmpl(phba,pmb); |
| 2668 | spin_lock_irqsave(phba->host->host_lock, flags); |
| 2669 | } |
| 2670 | } |
| 2671 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 2672 | psli->mbox_active = NULL; |
| 2673 | |
| 2674 | /* Return any pending mbox cmds */ |
| 2675 | while ((pmb = lpfc_mbox_get(phba)) != NULL) { |
| 2676 | pmb->mb.mbxStatus = MBX_NOT_FINISHED; |
| 2677 | if (pmb->mbox_cmpl) { |
| 2678 | spin_unlock_irqrestore(phba->host->host_lock, flags); |
| 2679 | pmb->mbox_cmpl(phba,pmb); |
| 2680 | spin_lock_irqsave(phba->host->host_lock, flags); |
| 2681 | } |
| 2682 | } |
| 2683 | |
| 2684 | INIT_LIST_HEAD(&psli->mboxq); |
| 2685 | |
| 2686 | spin_unlock_irqrestore(phba->host->host_lock, flags); |
| 2687 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2688 | return 1; |
| 2689 | } |
| 2690 | |
| 2691 | void |
| 2692 | lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) |
| 2693 | { |
| 2694 | uint32_t *src = srcp; |
| 2695 | uint32_t *dest = destp; |
| 2696 | uint32_t ldata; |
| 2697 | int i; |
| 2698 | |
| 2699 | for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) { |
| 2700 | ldata = *src; |
| 2701 | ldata = le32_to_cpu(ldata); |
| 2702 | *dest = ldata; |
| 2703 | src++; |
| 2704 | dest++; |
| 2705 | } |
| 2706 | } |
| 2707 | |
| 2708 | int |
| 2709 | lpfc_sli_ringpostbuf_put(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, |
| 2710 | struct lpfc_dmabuf * mp) |
| 2711 | { |
| 2712 | /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up |
| 2713 | later */ |
| 2714 | list_add_tail(&mp->list, &pring->postbufq); |
| 2715 | |
| 2716 | pring->postbufq_cnt++; |
| 2717 | return 0; |
| 2718 | } |
| 2719 | |
| 2720 | |
| 2721 | struct lpfc_dmabuf * |
| 2722 | lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 2723 | dma_addr_t phys) |
| 2724 | { |
| 2725 | struct lpfc_dmabuf *mp, *next_mp; |
| 2726 | struct list_head *slp = &pring->postbufq; |
| 2727 | |
| 2728 | /* Search postbufq, from the begining, looking for a match on phys */ |
| 2729 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { |
| 2730 | if (mp->phys == phys) { |
| 2731 | list_del_init(&mp->list); |
| 2732 | pring->postbufq_cnt--; |
| 2733 | return mp; |
| 2734 | } |
| 2735 | } |
| 2736 | |
| 2737 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| 2738 | "%d:0410 Cannot find virtual addr for mapped buf on " |
| 2739 | "ring %d Data x%llx x%p x%p x%x\n", |
| 2740 | phba->brd_no, pring->ringno, (unsigned long long)phys, |
| 2741 | slp->next, slp->prev, pring->postbufq_cnt); |
| 2742 | return NULL; |
| 2743 | } |
| 2744 | |
| 2745 | static void |
| 2746 | lpfc_sli_abort_elsreq_cmpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
| 2747 | struct lpfc_iocbq * rspiocb) |
| 2748 | { |
| 2749 | struct lpfc_dmabuf *buf_ptr, *buf_ptr1; |
| 2750 | /* Free the resources associated with the ELS_REQUEST64 IOCB the driver |
| 2751 | * just aborted. |
| 2752 | * In this case, context2 = cmd, context2->next = rsp, context3 = bpl |
| 2753 | */ |
| 2754 | if (cmdiocb->context2) { |
| 2755 | buf_ptr1 = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2756 | |
| 2757 | /* Free the response IOCB before completing the abort |
| 2758 | command. */ |
| 2759 | buf_ptr = NULL; |
| 2760 | list_remove_head((&buf_ptr1->list), buf_ptr, |
| 2761 | struct lpfc_dmabuf, list); |
| 2762 | if (buf_ptr) { |
| 2763 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); |
| 2764 | kfree(buf_ptr); |
| 2765 | } |
| 2766 | lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); |
| 2767 | kfree(buf_ptr1); |
| 2768 | } |
| 2769 | |
| 2770 | if (cmdiocb->context3) { |
| 2771 | buf_ptr = (struct lpfc_dmabuf *) cmdiocb->context3; |
| 2772 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); |
| 2773 | kfree(buf_ptr); |
| 2774 | } |
| 2775 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2776 | lpfc_sli_release_iocbq(phba, cmdiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2777 | return; |
| 2778 | } |
| 2779 | |
| 2780 | int |
| 2781 | lpfc_sli_issue_abort_iotag32(struct lpfc_hba * phba, |
| 2782 | struct lpfc_sli_ring * pring, |
| 2783 | struct lpfc_iocbq * cmdiocb) |
| 2784 | { |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2785 | struct lpfc_iocbq *abtsiocbp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2786 | IOCB_t *icmd = NULL; |
| 2787 | IOCB_t *iabt = NULL; |
| 2788 | |
| 2789 | /* issue ABTS for this IOCB based on iotag */ |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2790 | abtsiocbp = lpfc_sli_get_iocbq(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2791 | if (abtsiocbp == NULL) |
| 2792 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2793 | |
| 2794 | iabt = &abtsiocbp->iocb; |
| 2795 | icmd = &cmdiocb->iocb; |
| 2796 | switch (icmd->ulpCommand) { |
| 2797 | case CMD_ELS_REQUEST64_CR: |
| 2798 | /* Even though we abort the ELS command, the firmware may access |
| 2799 | * the BPL or other resources before it processes our |
| 2800 | * ABORT_MXRI64. Thus we must delay reusing the cmdiocb |
| 2801 | * resources till the actual abort request completes. |
| 2802 | */ |
| 2803 | abtsiocbp->context1 = (void *)((unsigned long)icmd->ulpCommand); |
| 2804 | abtsiocbp->context2 = cmdiocb->context2; |
| 2805 | abtsiocbp->context3 = cmdiocb->context3; |
| 2806 | cmdiocb->context2 = NULL; |
| 2807 | cmdiocb->context3 = NULL; |
| 2808 | abtsiocbp->iocb_cmpl = lpfc_sli_abort_elsreq_cmpl; |
| 2809 | break; |
| 2810 | default: |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2811 | lpfc_sli_release_iocbq(phba, abtsiocbp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2812 | return 0; |
| 2813 | } |
| 2814 | |
| 2815 | iabt->un.amxri.abortType = ABORT_TYPE_ABTS; |
| 2816 | iabt->un.amxri.iotag32 = icmd->un.elsreq64.bdl.ulpIoTag32; |
| 2817 | |
| 2818 | iabt->ulpLe = 1; |
| 2819 | iabt->ulpClass = CLASS3; |
| 2820 | iabt->ulpCommand = CMD_ABORT_MXRI64_CN; |
| 2821 | |
| 2822 | if (lpfc_sli_issue_iocb(phba, pring, abtsiocbp, 0) == IOCB_ERROR) { |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2823 | lpfc_sli_release_iocbq(phba, abtsiocbp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2824 | return 0; |
| 2825 | } |
| 2826 | |
| 2827 | return 1; |
| 2828 | } |
| 2829 | |
| 2830 | static int |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2831 | lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, uint16_t tgt_id, |
| 2832 | uint64_t lun_id, uint32_t ctx, |
| 2833 | lpfc_ctx_cmd ctx_cmd) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2834 | { |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2835 | struct lpfc_scsi_buf *lpfc_cmd; |
| 2836 | struct scsi_cmnd *cmnd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2837 | int rc = 1; |
| 2838 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2839 | if (!(iocbq->iocb_flag & LPFC_IO_FCP)) |
| 2840 | return rc; |
| 2841 | |
| 2842 | lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq); |
| 2843 | cmnd = lpfc_cmd->pCmd; |
| 2844 | |
| 2845 | if (cmnd == NULL) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2846 | return rc; |
| 2847 | |
| 2848 | switch (ctx_cmd) { |
| 2849 | case LPFC_CTX_LUN: |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2850 | if ((cmnd->device->id == tgt_id) && |
| 2851 | (cmnd->device->lun == lun_id)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2852 | rc = 0; |
| 2853 | break; |
| 2854 | case LPFC_CTX_TGT: |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2855 | if (cmnd->device->id == tgt_id) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2856 | rc = 0; |
| 2857 | break; |
| 2858 | case LPFC_CTX_CTX: |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2859 | if (iocbq->iocb.ulpContext == ctx) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2860 | rc = 0; |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2861 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2862 | case LPFC_CTX_HOST: |
| 2863 | rc = 0; |
| 2864 | break; |
| 2865 | default: |
| 2866 | printk(KERN_ERR "%s: Unknown context cmd type, value %d\n", |
| 2867 | __FUNCTION__, ctx_cmd); |
| 2868 | break; |
| 2869 | } |
| 2870 | |
| 2871 | return rc; |
| 2872 | } |
| 2873 | |
| 2874 | int |
| 2875 | lpfc_sli_sum_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 2876 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd ctx_cmd) |
| 2877 | { |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2878 | struct lpfc_iocbq *iocbq; |
| 2879 | int sum, i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2880 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2881 | for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) { |
| 2882 | iocbq = phba->sli.iocbq_lookup[i]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2883 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2884 | if (lpfc_sli_validate_fcp_iocb (iocbq, tgt_id, lun_id, |
| 2885 | 0, ctx_cmd) == 0) |
| 2886 | sum++; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2887 | } |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2888 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2889 | return sum; |
| 2890 | } |
| 2891 | |
James.Smart@Emulex.Com | 5eb95af | 2005-06-25 10:34:30 -0400 | [diff] [blame] | 2892 | void |
| 2893 | lpfc_sli_abort_fcp_cmpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
| 2894 | struct lpfc_iocbq * rspiocb) |
| 2895 | { |
| 2896 | spin_lock_irq(phba->host->host_lock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2897 | lpfc_sli_release_iocbq(phba, cmdiocb); |
James.Smart@Emulex.Com | 5eb95af | 2005-06-25 10:34:30 -0400 | [diff] [blame] | 2898 | spin_unlock_irq(phba->host->host_lock); |
| 2899 | return; |
| 2900 | } |
| 2901 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2902 | int |
| 2903 | lpfc_sli_abort_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 2904 | uint16_t tgt_id, uint64_t lun_id, uint32_t ctx, |
| 2905 | lpfc_ctx_cmd abort_cmd) |
| 2906 | { |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2907 | struct lpfc_iocbq *iocbq; |
| 2908 | struct lpfc_iocbq *abtsiocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2909 | IOCB_t *cmd = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2910 | int errcnt = 0, ret_val = 0; |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2911 | int i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2912 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2913 | for (i = 1; i <= phba->sli.last_iotag; i++) { |
| 2914 | iocbq = phba->sli.iocbq_lookup[i]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2915 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2916 | if (lpfc_sli_validate_fcp_iocb (iocbq, tgt_id, lun_id, |
| 2917 | 0, abort_cmd) != 0) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2918 | continue; |
| 2919 | |
| 2920 | /* issue ABTS for this IOCB based on iotag */ |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2921 | abtsiocb = lpfc_sli_get_iocbq(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2922 | if (abtsiocb == NULL) { |
| 2923 | errcnt++; |
| 2924 | continue; |
| 2925 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2926 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2927 | cmd = &iocbq->iocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2928 | abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; |
| 2929 | abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext; |
| 2930 | abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag; |
| 2931 | abtsiocb->iocb.ulpLe = 1; |
| 2932 | abtsiocb->iocb.ulpClass = cmd->ulpClass; |
| 2933 | |
| 2934 | if (phba->hba_state >= LPFC_LINK_UP) |
| 2935 | abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
| 2936 | else |
| 2937 | abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN; |
| 2938 | |
James.Smart@Emulex.Com | 5eb95af | 2005-06-25 10:34:30 -0400 | [diff] [blame] | 2939 | /* Setup callback routine and issue the command. */ |
| 2940 | abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2941 | ret_val = lpfc_sli_issue_iocb(phba, pring, abtsiocb, 0); |
| 2942 | if (ret_val == IOCB_ERROR) { |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2943 | lpfc_sli_release_iocbq(phba, abtsiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2944 | errcnt++; |
| 2945 | continue; |
| 2946 | } |
| 2947 | } |
| 2948 | |
| 2949 | return errcnt; |
| 2950 | } |
| 2951 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2952 | static void |
| 2953 | lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, |
| 2954 | struct lpfc_iocbq *cmdiocbq, |
| 2955 | struct lpfc_iocbq *rspiocbq) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2956 | { |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2957 | wait_queue_head_t *pdone_q; |
| 2958 | unsigned long iflags; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2959 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2960 | spin_lock_irqsave(phba->host->host_lock, iflags); |
| 2961 | cmdiocbq->iocb_flag |= LPFC_IO_WAKE; |
| 2962 | if (cmdiocbq->context2 && rspiocbq) |
| 2963 | memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb, |
| 2964 | &rspiocbq->iocb, sizeof(IOCB_t)); |
| 2965 | |
| 2966 | pdone_q = cmdiocbq->context_un.wait_queue; |
| 2967 | spin_unlock_irqrestore(phba->host->host_lock, iflags); |
| 2968 | if (pdone_q) |
| 2969 | wake_up(pdone_q); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2970 | return; |
| 2971 | } |
| 2972 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2973 | /* |
| 2974 | * Issue the caller's iocb and wait for its completion, but no longer than the |
| 2975 | * caller's timeout. Note that iocb_flags is cleared before the |
| 2976 | * lpfc_sli_issue_call since the wake routine sets a unique value and by |
| 2977 | * definition this is a wait function. |
| 2978 | */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2979 | int |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2980 | lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba, |
| 2981 | struct lpfc_sli_ring * pring, |
| 2982 | struct lpfc_iocbq * piocb, |
| 2983 | struct lpfc_iocbq * prspiocbq, |
| 2984 | uint32_t timeout) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2985 | { |
Peter Zijlstra | 7259f0d | 2006-10-29 22:46:36 -0800 | [diff] [blame^] | 2986 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2987 | long timeleft, timeout_req = 0; |
| 2988 | int retval = IOCB_SUCCESS; |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 2989 | uint32_t creg_val; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2990 | |
| 2991 | /* |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2992 | * If the caller has provided a response iocbq buffer, then context2 |
| 2993 | * is NULL or its an error. |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2994 | */ |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2995 | if (prspiocbq) { |
| 2996 | if (piocb->context2) |
| 2997 | return IOCB_ERROR; |
| 2998 | piocb->context2 = prspiocbq; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2999 | } |
| 3000 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3001 | piocb->iocb_cmpl = lpfc_sli_wake_iocb_wait; |
| 3002 | piocb->context_un.wait_queue = &done_q; |
| 3003 | piocb->iocb_flag &= ~LPFC_IO_WAKE; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3004 | |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 3005 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
| 3006 | creg_val = readl(phba->HCregaddr); |
| 3007 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
| 3008 | writel(creg_val, phba->HCregaddr); |
| 3009 | readl(phba->HCregaddr); /* flush */ |
| 3010 | } |
| 3011 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3012 | retval = lpfc_sli_issue_iocb(phba, pring, piocb, 0); |
| 3013 | if (retval == IOCB_SUCCESS) { |
| 3014 | timeout_req = timeout * HZ; |
| 3015 | spin_unlock_irq(phba->host->host_lock); |
| 3016 | timeleft = wait_event_timeout(done_q, |
| 3017 | piocb->iocb_flag & LPFC_IO_WAKE, |
| 3018 | timeout_req); |
| 3019 | spin_lock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3020 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3021 | if (timeleft == 0) { |
| 3022 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 3023 | "%d:0338 IOCB wait timeout error - no " |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3024 | "wake response Data x%x\n", |
| 3025 | phba->brd_no, timeout); |
| 3026 | retval = IOCB_TIMEDOUT; |
| 3027 | } else if (!(piocb->iocb_flag & LPFC_IO_WAKE)) { |
| 3028 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
| 3029 | "%d:0330 IOCB wake NOT set, " |
| 3030 | "Data x%x x%lx\n", phba->brd_no, |
| 3031 | timeout, (timeleft / jiffies)); |
| 3032 | retval = IOCB_TIMEDOUT; |
| 3033 | } else { |
| 3034 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
| 3035 | "%d:0331 IOCB wake signaled\n", |
| 3036 | phba->brd_no); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3037 | } |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3038 | } else { |
| 3039 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
| 3040 | "%d:0332 IOCB wait issue failed, Data x%x\n", |
| 3041 | phba->brd_no, retval); |
| 3042 | retval = IOCB_ERROR; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3043 | } |
| 3044 | |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 3045 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
| 3046 | creg_val = readl(phba->HCregaddr); |
| 3047 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
| 3048 | writel(creg_val, phba->HCregaddr); |
| 3049 | readl(phba->HCregaddr); /* flush */ |
| 3050 | } |
| 3051 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3052 | if (prspiocbq) |
| 3053 | piocb->context2 = NULL; |
| 3054 | |
| 3055 | piocb->context_un.wait_queue = NULL; |
| 3056 | piocb->iocb_cmpl = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3057 | return retval; |
| 3058 | } |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3059 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3060 | int |
| 3061 | lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq, |
| 3062 | uint32_t timeout) |
| 3063 | { |
Peter Zijlstra | 7259f0d | 2006-10-29 22:46:36 -0800 | [diff] [blame^] | 3064 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3065 | DECLARE_WAITQUEUE(wq_entry, current); |
| 3066 | uint32_t timeleft = 0; |
| 3067 | int retval; |
| 3068 | |
| 3069 | /* The caller must leave context1 empty. */ |
| 3070 | if (pmboxq->context1 != 0) { |
| 3071 | return (MBX_NOT_FINISHED); |
| 3072 | } |
| 3073 | |
| 3074 | /* setup wake call as IOCB callback */ |
| 3075 | pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait; |
| 3076 | /* setup context field to pass wait_queue pointer to wake function */ |
| 3077 | pmboxq->context1 = &done_q; |
| 3078 | |
| 3079 | /* start to sleep before we wait, to avoid races */ |
| 3080 | set_current_state(TASK_INTERRUPTIBLE); |
| 3081 | add_wait_queue(&done_q, &wq_entry); |
| 3082 | |
| 3083 | /* now issue the command */ |
| 3084 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); |
| 3085 | |
| 3086 | if (retval == MBX_BUSY || retval == MBX_SUCCESS) { |
| 3087 | timeleft = schedule_timeout(timeout * HZ); |
| 3088 | pmboxq->context1 = NULL; |
| 3089 | /* if schedule_timeout returns 0, we timed out and were not |
| 3090 | woken up */ |
Jamie Wellnitz | 406d604 | 2006-02-28 19:25:20 -0500 | [diff] [blame] | 3091 | if ((timeleft == 0) || signal_pending(current)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3092 | retval = MBX_TIMEOUT; |
Jamie Wellnitz | 406d604 | 2006-02-28 19:25:20 -0500 | [diff] [blame] | 3093 | else |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3094 | retval = MBX_SUCCESS; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3095 | } |
| 3096 | |
| 3097 | |
| 3098 | set_current_state(TASK_RUNNING); |
| 3099 | remove_wait_queue(&done_q, &wq_entry); |
| 3100 | return retval; |
| 3101 | } |
| 3102 | |
James Smart | b4c0265 | 2006-07-06 15:50:43 -0400 | [diff] [blame] | 3103 | int |
| 3104 | lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba) |
| 3105 | { |
| 3106 | int i = 0; |
| 3107 | |
| 3108 | while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE && !phba->stopped) { |
| 3109 | if (i++ > LPFC_MBOX_TMO * 1000) |
| 3110 | return 1; |
| 3111 | |
| 3112 | if (lpfc_sli_handle_mb_event(phba) == 0) |
| 3113 | i = 0; |
| 3114 | |
| 3115 | msleep(1); |
| 3116 | } |
| 3117 | |
| 3118 | return (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) ? 1 : 0; |
| 3119 | } |
| 3120 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3121 | irqreturn_t |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 3122 | lpfc_intr_handler(int irq, void *dev_id) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3123 | { |
| 3124 | struct lpfc_hba *phba; |
| 3125 | uint32_t ha_copy; |
| 3126 | uint32_t work_ha_copy; |
| 3127 | unsigned long status; |
| 3128 | int i; |
| 3129 | uint32_t control; |
| 3130 | |
| 3131 | /* |
| 3132 | * Get the driver's phba structure from the dev_id and |
| 3133 | * assume the HBA is not interrupting. |
| 3134 | */ |
| 3135 | phba = (struct lpfc_hba *) dev_id; |
| 3136 | |
| 3137 | if (unlikely(!phba)) |
| 3138 | return IRQ_NONE; |
| 3139 | |
| 3140 | phba->sli.slistat.sli_intr++; |
| 3141 | |
| 3142 | /* |
| 3143 | * Call the HBA to see if it is interrupting. If not, don't claim |
| 3144 | * the interrupt |
| 3145 | */ |
| 3146 | |
| 3147 | /* Ignore all interrupts during initialization. */ |
| 3148 | if (unlikely(phba->hba_state < LPFC_LINK_DOWN)) |
| 3149 | return IRQ_NONE; |
| 3150 | |
| 3151 | /* |
| 3152 | * Read host attention register to determine interrupt source |
| 3153 | * Clear Attention Sources, except Error Attention (to |
| 3154 | * preserve status) and Link Attention |
| 3155 | */ |
| 3156 | spin_lock(phba->host->host_lock); |
| 3157 | ha_copy = readl(phba->HAregaddr); |
| 3158 | writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); |
| 3159 | readl(phba->HAregaddr); /* flush */ |
| 3160 | spin_unlock(phba->host->host_lock); |
| 3161 | |
| 3162 | if (unlikely(!ha_copy)) |
| 3163 | return IRQ_NONE; |
| 3164 | |
| 3165 | work_ha_copy = ha_copy & phba->work_ha_mask; |
| 3166 | |
| 3167 | if (unlikely(work_ha_copy)) { |
| 3168 | if (work_ha_copy & HA_LATT) { |
| 3169 | if (phba->sli.sli_flag & LPFC_PROCESS_LA) { |
| 3170 | /* |
| 3171 | * Turn off Link Attention interrupts |
| 3172 | * until CLEAR_LA done |
| 3173 | */ |
| 3174 | spin_lock(phba->host->host_lock); |
| 3175 | phba->sli.sli_flag &= ~LPFC_PROCESS_LA; |
| 3176 | control = readl(phba->HCregaddr); |
| 3177 | control &= ~HC_LAINT_ENA; |
| 3178 | writel(control, phba->HCregaddr); |
| 3179 | readl(phba->HCregaddr); /* flush */ |
| 3180 | spin_unlock(phba->host->host_lock); |
| 3181 | } |
| 3182 | else |
| 3183 | work_ha_copy &= ~HA_LATT; |
| 3184 | } |
| 3185 | |
| 3186 | if (work_ha_copy & ~(HA_ERATT|HA_MBATT|HA_LATT)) { |
| 3187 | for (i = 0; i < phba->sli.num_rings; i++) { |
| 3188 | if (work_ha_copy & (HA_RXATT << (4*i))) { |
| 3189 | /* |
| 3190 | * Turn off Slow Rings interrupts |
| 3191 | */ |
| 3192 | spin_lock(phba->host->host_lock); |
| 3193 | control = readl(phba->HCregaddr); |
| 3194 | control &= ~(HC_R0INT_ENA << i); |
| 3195 | writel(control, phba->HCregaddr); |
| 3196 | readl(phba->HCregaddr); /* flush */ |
| 3197 | spin_unlock(phba->host->host_lock); |
| 3198 | } |
| 3199 | } |
| 3200 | } |
| 3201 | |
| 3202 | if (work_ha_copy & HA_ERATT) { |
| 3203 | phba->hba_state = LPFC_HBA_ERROR; |
| 3204 | /* |
| 3205 | * There was a link/board error. Read the |
| 3206 | * status register to retrieve the error event |
| 3207 | * and process it. |
| 3208 | */ |
| 3209 | phba->sli.slistat.err_attn_event++; |
| 3210 | /* Save status info */ |
| 3211 | phba->work_hs = readl(phba->HSregaddr); |
| 3212 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); |
| 3213 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); |
| 3214 | |
| 3215 | /* Clear Chip error bit */ |
| 3216 | writel(HA_ERATT, phba->HAregaddr); |
| 3217 | readl(phba->HAregaddr); /* flush */ |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 3218 | phba->stopped = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3219 | } |
| 3220 | |
| 3221 | spin_lock(phba->host->host_lock); |
| 3222 | phba->work_ha |= work_ha_copy; |
| 3223 | if (phba->work_wait) |
| 3224 | wake_up(phba->work_wait); |
| 3225 | spin_unlock(phba->host->host_lock); |
| 3226 | } |
| 3227 | |
| 3228 | ha_copy &= ~(phba->work_ha_mask); |
| 3229 | |
| 3230 | /* |
| 3231 | * Process all events on FCP ring. Take the optimized path for |
| 3232 | * FCP IO. Any other IO is slow path and is handled by |
| 3233 | * the worker thread. |
| 3234 | */ |
| 3235 | status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); |
| 3236 | status >>= (4*LPFC_FCP_RING); |
| 3237 | if (status & HA_RXATT) |
| 3238 | lpfc_sli_handle_fast_ring_event(phba, |
| 3239 | &phba->sli.ring[LPFC_FCP_RING], |
| 3240 | status); |
| 3241 | return IRQ_HANDLED; |
| 3242 | |
| 3243 | } /* lpfc_intr_handler */ |